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The Guadeloupe Archipelago, the French overseas Département de Guadeloupe, is a geographically associated group of islands and a natural biogeographic unit. The islands have been available for terrestrial colonization since the late Tertiary. From the viewpoint of beetle systematics and biodiversity, this is the most important set of islands of the Lesser Antilles because more species have been described or recorded from Guadeloupe than any other island or group in the Lesser Antilles. We present a summary of the 1338 beetle species recorded in the literature from the archipelago, in 60 families, and 719 genera. The families with the largest numbers of species are Curculionidae (420), Staphylinidae (153), Chrysomelidae (75), Cerambycidae (69), Scarabaeidae (64), and Tenebrionidae (59). Four hundred eighty two species are known only from one or more islands of the Guadeloupe group and likely speciated there. Guadeloupe is the type locality for an additional 59 species. At least 61 species have been accidentally introduced by human activities. A total of 261 species are known only from the Lesser Antilles including Guadeloupe. The remaining species are naturally more widespread in the Lesser Antilles, or the West Indies, and elsewhere in the New World. The actual number of species on the Guadeloupe Archipelago is estimated to be around 1850 or more species.
A checklist and classification of the species of Elateridae reported from mainland Ecuador are given. Anchastus boulardi Chassain, Cardiorhinus apicalis Golbach, Physorhinus marginatus Candèze, and P. sexnotatus Steinheil are reported from Ecuador for the first time. The recorded elaterid fauna of Ecuador is now represented by 140 species, 38 genera, and 9 subfamilies, which are low taxon richness numbers when compared to those of neighboring countries.
The Virgin Islands (except St. Croix) are geologically part of the Puerto Rico Bank and biologically related to Puerto Rico, but their cockroaches (Dictyoptera: Blattaria) were not yet as well studied as those on Puerto Rico. To elucidate the number of species, life history, range distribution, and seasonal abundance of these cockroaches, we have conducted a quantitative study since June 2000 using a Malaise trap on Guana Island, British Virgin Islands, in addition to other conventional collecting methods. We found 21 species: Blattella germanica (Linnaeus), Cariblatta antiguensis (Saussure and Zehntner), Cariblatta sp. 2, Cariblatta sp. 3, Colapteroblatta sp. 1, Eurycotis improcera Rehn, Eurycotis sp. 2, Euthlastoblatta facies (Walker), Hemiblabera brunneri (Saussure), Nyctibora lutzi Rehn and Hebard, Panchlora sagax Rehn and Hebard, Periplaneta americana (Linnaeus), P. australasiae (Fabricius), Plectoptera infulata Rehn and Hebard, P. rhabdota Rehn and Hebard, Plectoptera sp. 3, Pycnoscelus surinamensis (Linnaeus), Symploce pararufi collis Roth, S. rufi collis (Fabricius), polyphagid sp. 1 (Compsodes sp. 1), and polyphagid sp. 2. Among them, nine are new records for the Virgin Islands and fi ve for Guana Island. In addition, Euthlastoblatta diaphana (Fabricius), Nyctibora noctivaga Rehn, Panchlora nivea (Linnaeus), P. viridis (Fabricius), and Rhyparobia maderae (Fabricius) were recorded historically but were not rediscovered. As a result, the number of species is increased from 17 to 26 for the Virgin Islands, and from 10 to 15 for Guana Island. Overall, only fi ve species are edifi carian and likely introduced. Nymphs of polyphagid sp. 2 and Euthlastoblatta facies are reported for the fi rst time as dwellers in termite runways. Only eight species came to the Malaise trap; their phenology illustrates close but not necessarily synchronic relationship with both the timing and amount of rainfall. Monthly abundance showed spring and fall highs and summer and winter lows. Yearly abundance reached lows when annual rainfall decreased below a threshold average of 2.0 mm per day. Seasonality and response to drought varied among species. This paper lays a foundation for further research on diversity of cockroaches from the Virgin Islands and their relationships with those from Puerto Rico.
The female of Phileurus bucculentus Ohaus, 1911 is described for the first time. It is compared with the male and also with the females of Phileurus carinatus Prell, 1914, with which it can be confused. Additional data for Phileurus carinatus are provided with four new country records for Guyana, Colombia, Peru and Argentina, and its taxonomic status is reviewed.
Pinnaspis chamaecyparidis Takagi, Pinnaspis hikosana Takagi and Pinnaspis uniloba (Kuwana), occurring on Chamaecyparis obtusa Endl., Styrax japonica S. et Z. and Cleyera japonica Thunb. are newly documented in the Korean fauna of armored scales (Diaspididae). The characters of these species are here redescribed with illustrative photographs and information on distribution and hosts along with a dichotomous key to the species of Pinnaspis for correct species identifi cation. In addition, the paper discusses the current status of Pinnaspis buxi (Bouché) and Pinnaspis strachani (Cooley) which are known as native armored scale insects of Korea by analyzing information on the result of the survey.
Examination of the type series of Schizotus gibbifrons Lewis 1887 and Pyrochroa higoniae Lewis 1895, together with examination of the historical Lewis collection of Pseudopyrochroa japonica (Heyden 1879), provide hints as to the conspecifi city of these binomials. This evidence, together with concurrent collection events spanning more than 100 years and general anatomy suggests Pseudopyrochroa japonica (Heyden 1879) and Pseudopyrochroa gibbifrons (Lewis 1887) are conspecifi c. Schizotus gibbifrons Lewis is proposed as a new junior synonym of Pyrochroa japonica Heyden, where it joins the established synonym, Pyrochroa higoniae Lewis (1895). Schizotus theresae Pic 1911 is also proposed as a new junior synonym of Pyrochroa basalis Pic 1906, where it joins a long list of synonyms. Complete synonymies are presented for both species.
This document describes the biological cycle of two species of the genus Corades Doubleday, C. chelonis Hewitson and C. dymantis Thieme. The morphological characteristics of the two species are compared to each other, to other species of Corades and to other members of the subtribe Pronophilina. An outstanding character of the larvae of C. chelonis is the united cephalic horns which differ from the other species of Corades. The hostplant of both species is Chusquea serrulata. Oviposition varies between the two species of the study. Immature stage development takes an average of 147 days for C. chelonis and 150 days for C. dymantis. Both species were raised ex situm in the same life zone. Ethological aspects of the larvae and adults are discussed and compared.
In 2012, two articles were published describing new species of the genus Chelotrupes Jekel, 1866 (Coleoptera: Geotrupidae); the fi rst one included fi ve new species and the second a single species. However, the species described in the second article, Chelotrupes annamariae Byk 2012, is identical to Chelotrupes algarvicus Hillert, Král and Schneider 2012 and should be considered a junior synonym: Chelotrupes algarvicus Hillert, Král and Schneider 2012 = Chelotrupes annamariae Byk 2012, syn. nov.
Considerations of the alimentary canal, mesodermal reproductive organs, and ventral nervous system and brain are provided. The treatise is based on studies of 301 species, representing 99 genera, 11 subfamilies, and two cleroid families. A comparative morphology summary is provided. Morphological variations of the stomodaeum, ventriculus, malpighian tubules, confi guration of the spermathecal capsule, shape of the bursa copulatrix, male accessory glands, and testes provide taxonomically useful characteristics. Provided are 252 illustrations. A new name, Katachaetosoma, nom. nov., is proposed to replace the preoccupied name Chaetosoma Dejean (Insecta: Coleoptera: Cerambycidae).
Sundapyrochroa, a new genus of pyrochroine Pyrochroidae, is described from three Sunda Shelf species most recently assigned to Pseudopyrochroa Pic: Sundapyrochroa atricolor (Pic), comb. nov., recorded from Peninsular Malaysia, Sundapyrochroa nigripennis (Pic), comb. nov., recorded from Peninsular Malaysia, and Sundapyrochroa sumatrensis (Pic), comb. nov., recorded from Borneo (Malaysia: Sabah) and Sumatra (Indonesia). Schizotus rotundicollis Pic, syn. nov., is proposed as a junior synonym of S. sumatrensis. No evidence could be found to support subspecifi c categories for S. nigripennis, thus, Pseudopyrochroa nigripennis notaticeps Pic, syn. nov., is proposed as a junior synonym of S. nigripennis. Gross anatomy of the cranium (female, male), antennae (female, male), and genitalia (male) are both diagnostic and enigmatic, suggesting no clear relationships with other pyrochroine genera.
Tynommatidae, n. stat., elevated from Tynommatinae, is established as a schizopetalidean family encompassing the western North American callipodidans previously assigned to the Mediterranean Schizopetalidae. It is considered a valid taxon despite somewhat anatomically dissimilar subfamilies, and Colactidinae, Texophoninae, Diactidinae, and Aspidiophoninae constitute tribal elevations and additional new statuses. With a subbasal telopodal prefemoral process, Diactis hedini, n. sp., requires rediagnoses of all three diactidine genera, Diactis Loomis, 1937, and Florea and Caliactis, both by Shelley, 1996, and suggests that telopodal branches ‘B’ in congeners and Florea represent distal relocations of the process along the stem. Similarities in the sizes and shapes of the pleurotergal carinae suggest a sister-group relationship with the other, and partly sympatric, New World family, Abacionidae, which is supported by gonopodal similarities between Colactidinae and Abacion Rafi nesque, 1820. The Western Interior Seaway of the Cretaceous Period, Mesozoic Era, ~141–66 million years ago, appears to have fueled divergence by isolating “proto-abacionid stock” in “Appalachia,” the Eastern North American land mass, which has subsequently spread well into previously inundated areas. The allopatric position of Texophoninae, on the Gulf Coast of south Texas around 1,136 km (710 mi) east of the most proximate familial records, is attributed to this waterway, which eradicated faunal linkages with “proto-Tynommatidae” in “Laramidia,” the Western North American land mass. Texophoninae probably survived the Cretaceous on insular refugia; however, it is rarely encountered anymore and seems destined for imminent extinction. Representatives of the east-Asian families, Caspiopetalidae, Paracortinidae, and Sinocallipodidae, also possess demarcated pleurotergal crests and, implausible though it seems, may share ancestry with the North American taxa vis-à-vis the “Asiamerica” and or “Boreotropic” concepts.
A recent investigation was conducted to assess the threat of insect venom hypersensitivity to deployed U.S. service members operating in the region. In parallel with this study, a checklist of medically important Hymenoptera was assembled from limited fi eld collections as well as a comprehensive review of the literature and information provided by electronic databases. We compiled names of 14 families comprising 396 species of Hymenoptera capable of stinging humans. This is the first such checklist for Afghanistan, and should aid future taxonomic work and provide reference information for public health-related entomology in this region.
Scolopendra morsitans L., 1758, is documented from Honolulu, Oahu, Hawaiian Islands, the fi rst record of this anthropochoric chilopod from both the archipelago and state. Hawaii thus becomes the second American state to harbor the species, the other being Florida, where an individual has been taken in Jacksonville, Duval County. Meristic and morphological data are presented for three Hawaiian specimens. At least two other species of Scolopendra, both introduced, occur on these islands: S. polymorpha Wood, 1861, known only from one specimen from Oahu, and one or more representatives of the “S. subspinipes Leach, 1815, complex,” which is widespread and even inhabits Midway Atoll.
A new species of coffee stem and root borer from Colombia is described: Plagiohammus colombiensis, sp. nov. (Coleoptera: Cerambycidae: Lamiinae). The new species differs from other species of the genus Plagiohammus Dillon and Dillon by the yellow pattern of spots on the elytra, the morphology of the antenna and pronotum as well as characters of the male genitalia. A key to species of Plagiohammus is provided. This study examines the current situation of the new species of coffee stem and root borer in Colombia. Information on its biology and damage to the coffee plantations is presented.
Thirty five Western Hemisphere species of Glaresidae (Coleoptera) are recognized. Descriptions of new species, redescriptions of those previously described, keys to groups and species, and illustrations of pertinent morphological characters are presented. Nineteen newly described species are Glaresis australis, G. bajaensis, G. bautista, G. caenulenta, G. california, G. costaricensis, G. costata, G. falli, G. dentata, G. donaldi, G. imitator, G. limbata, G. montenegro, G. paramendica, G. sabulosa, G. tumida, G. warneri, G. yanegai, and G. zacateca. Glaresis cartwrighti Gordon is recognized as a junior synonym of G. inducta Horn.
A revision of the genus Acentroptera Guérin-Méneville, 1844 (Coleoptera: Chrysomelidae: Cassidinae)
(2014)
The species of the genus Acentroptera Guérin-Méneville, 1844 are revised. Thirteen species are treated as valid and are illustrated. A neotype is designated for A. tessellata Baly. Acentroptera maculata Pic from Brazil and A. rubronotata Pic from Brazil are treated as incertae sedis. Acentroptera bita n. sp. and A. lineata n. sp. both from Panama are described as new. A key to the 13 treated species is presented. Five species appear to be associated with bromeliads (Bromeliaceae).
Four species of mole crickets (Orthoptera: Gryllotalpidae) are known from the West Indies: Neocurtilla hexadactyla (Perty), Scapteriscus abbreviatus Scudder, S. didactylus (Latreille), and S. imitatus Nickle and Castner. All are adventive (not native). We document their distributions in West Indian islands/countries by use of records from the literature and examination of specimens. Scapteriscus abbreviatus has been suggested to have arrived in, and been transported about the West Indies in ship ballast (immigration). Based on records of arrival in various parts of the West Indies and the species’ inability to fly, this suggestion seems reasonable. Scapteriscus imitatus pparently was released in Puerto Rico as a result of mistaken identification (introduction – arriving with assistance from humans – although inadvertent), and has not expanded its range in the West Indies. Although the principal mode of dispersal for the other two species also has been suggested to be ship ballast, we present an alternative based on flight which would seem at least equally as plausible. We suggest that S. didactylus could have dispersed by flight from South America through the Lesser Antilles; likewise N. hexadactyla probably from the Yucatan Peninsula to Cuba, and from South America northward through the Lesser Antilles, in at least some localities assisted by wind. Our zoogeographical alternative, if correct, means that the natural range expansions of these latter two species began very long ago and without human assistance – they were not introduced recently to the West Indies.
Cupido comyntas (Godart), the eastern tailed-blue, is a legume-feeding caterpillar native to North America. One of its three subspecies, Cupido comyntas comyntas (Godart), is distributed over the eastern half of the United States and southeastern Canada. This subspecies was recorded for the first time feeding on cultivated soybean. Caterpillars fed upon soybean at various developmental stages, ranging from seedlings to podded plants, in several fields within a 5-km radius in Brookings County, South Dakota, from July 1 – 25, 2013. Feeding was confined to leaves, and no pod damage was observed. The caterpillars occurred at relatively low densities that were unlikely to have affected yield of soybean crops. An early maturity soybean line, H007Y12, had a lower incidence of C. comyntas comyntas caterpillars than a relatively later maturity line, H19Y11. Butterflies of C. comyntas comyntas were observed feeding from soybean flowers on multiple dates in July and early August. As the geographic distribution of C. comyntas comyntas considerably overlaps the area where soybean is grown, entomologists should watch for and document any additional infestation of soybean by these caterpillars.
A new species of the genus Onychopygia Beier, 1962 Orthoptera: Tettigoniidae: Pseudophyllinae) from the northern slopes of Los Cuchumatanes Mountains, Huehuetenango, Guatemala is described and illustrated. The morphological differences and peculiarities between O. panamensis Beier, 1962 and O. brachyptera n. sp. are discussed. The finding of this new taxon extends considerably into entral America our previous knowledge on the distribution of the Eucocconotini tribe. Finally we provide a revised taxonomic key to the Eucocconotini tribe.
New Species of Phyllophaga Harris (Coleoptera: Scarabaeidae: Melolonthinae) from northeastern Mexico
(2014)
Three new species of Phyllophaga are described from northeastern Mexico: P. (s.str.) gramma n. sp. from grasslands near Monterrey city, state of Nuevo Leon; P. (s.str.) jeanmathieui n. sp. from mixed forests of Sierra Chipinque, Nuevo Leon; and P. (Listrochelus) pinophilus n. sp. from pine-oak forests of mountains in Nuevo Leon and Coahuila. Illustrations of diagnostic structures and comments about the relations of each species are provided.
It is commonly assumed that the colonization of restored river reaches by fish depends on the regional species pools; however, quantifications of the relationship between the composition of the regional species pool and restoration outcome are lacking. We analyzed data from 18 German river restoration projects and adjacent river reaches constituting the regional species pools of the restored reaches. We found that the ability of statistical models to describe the fish assemblages established in the restored reaches was greater when these models were based on ‘biotic’ variables relating to the regional species pool and the ecological traits of species rather than on ‘abiotic’ variables relating to the hydromorphological habitat structure of the restored habitats and descriptors of the restoration projects. For species presence in restored reaches, ‘biotic’ variables explained 34% of variability, with the occurrence rate of a species in the regional species pool being the most important variable, while ’abiotic’ variables explained only the negligible amount of 2% of variability. For fish density in restored reaches, about twice the amount of variability was explained by ‘biotic’ (38%) compared to ‘abiotic’ (21%) variables, with species density in the regional species pool being most important. These results indicate that the colonization of restored river reaches by fish is largely determined by the assemblages in the surrounding species pool. Knowledge of species presence and abundance in the regional species pool can be used to estimate the likelihood of fish species becoming established in restored reaches.
Travelling waves are the physical basis of frequency discrimination in many vertebrate and invertebrate taxa, including mammals, birds, and some insects. In bushcrickets (Tettigoniidae), the crista acustica is the hearing organ that has been shown to use sound-induced travelling waves. Up to now, data on mechanical characteristics of sound-induced travelling waves were only available along the longitudinal (proximal-distal) direction. In this study, we use laser Doppler vibrometry to investigate in-vivo radial (anterior-posterior) features of travelling waves in the tropical bushcricket Mecopoda elongata. Our results demonstrate that the maximum of sound-induced travelling wave amplitude response is always shifted towards the anterior part of the crista acustica. This lateralization of the travelling wave response induces a tilt in the motion of the crista acustica, which presumably optimizes sensory transduction by exerting a shear motion on the sensory cilia in this hearing organ.
Eryphanis zolvizora (Hewitson, 1877) is a rare Andean endemic butterfly, described from Bolivia, which has been historically classified either as a unique species, or as part of a group of three allopatric species from Bolivia, Ecuador and Colombia. In this paper, the group is revised using more than 200 specimens housed in 35 European and North and South American public and private collections. For the first time, the presence of the group in Western Ecuador and Venezuela is confirmed, and important data on Peruvian populations are provided. In some populations, individual variations of genitalia are observed. Nevertheless, male genitalia allow the distinction of four geographical groups. Considering also habitus characters, eight taxa are distinguished and considered to be subspecies, of which five are new: Eryphanis zolvizora inca ssp. nov., Eryphanis zolvizora chachapoya ssp. nov., Eryphanis zolvizora casagrande ssp. nov., Eryphanis zolvizora reyi ssp. nov., and Eryphanis zolvizora isabelae ssp. nov. In the present state of knowledge, these taxa are allopatric, except for a possible geographic overlap in central Peru, where data are insufficient to prove sympatry. The “several subspecies vs. several species” dilemma is discussed, considering its impact for conservation action and policies.
This is the first English edition of Tamara Mcheidze's monograph on the spiders of Georgia (Mcheidze 1997; in alternative transliteration: Mkheidze 1997), containing taxonomic, faunistic and ecological information on 362 spider species recorded by T. Mcheidze in Georgia between the 1920s and 1992. The English edition resembles the original text, with a preface, taxonomic comments and a part with supplementary information on the locations, a location map and an index provided by the editor.
Four taxa belonging to the complex of species around Achnanthidium minutissimum were found during the ongoing taxonomic revision of the Antarctic freshwater and limno-terrestrial diatom flora. Two taxa were previously described as Achnanthidium lailae and A. sieminskae. Two others were formerly identified as A. minutissimum but detailed light and scanning electron microscopical observations revealed sufficient morphological differences compared to the type of A. minutissimum, to justify their separation and description as new taxa: Achnanthidium indistinctum and A. maritimo-antarcticum. The morphology and ecology of all four taxa are discussed comparing the species with morphologically similar taxa. The biogeographical consequences of the splitting of the former A. minutissimum complex in the Antarctic Region are discussed.