Filtern
Dokumenttyp
- Wissenschaftlicher Artikel (31) (entfernen)
Sprache
- Englisch (31) (entfernen)
Volltext vorhanden
- ja (31)
Gehört zur Bibliographie
- nein (31)
Schlagworte
- Neotropical (31) (entfernen)
Taxonomic review of the genus Erythrocricus Schubart, 1962 (Diplopoda, Spirobolida, Rhinocricidae)
(2021)
We review the genus Erythrocricus Schubart, 1962 based on the type material of the species Erythrocricus sanguineostriatus (Schubart, 1962). We propose a new diagnosis, redescribe the type species, and propose a new synonymy and a new combination. In addition, a male-based key to both species recognized, including Erythrocricus electrofasciatus (Schubart, 1957), comb. nov. ex. Rhinocricus, is given.
The bee genus Austrosphecodes Michener, 1978 comprises 29 obligatory cleptoparasitic species distributed from Chile to Mexico. Currently, three species are known to occur in Brazil, Austrosphecodes brasiliensis (Schrottky, 1910), A. inornatus (Schrottky, 1902), and A. minarum (Schrottky, 1910). Here, we describe nine new species, Austrosphecodes asmodeus sp. nov., A. balrog sp. nov., A. cerberus sp. nov., A. gorgon sp. nov., A. jurupari sp. nov., A. krampus sp. nov., A. lucifer sp. nov., A. orcus sp. nov., and A. tartarus sp. nov. An identification key for the 12 known species from Brazil is presented. Specimens of A. asmodeus sp. nov. and A. brasiliensis were observed near nest aggregations of Caenohalictus incertus (Schrottky, 1902) in Curitiba (State of Paraná).
Two species of stick insect with a distinctive morphology, Candovia evoneobertii (Zompro & Adis, 2001) and Echetlus fulgens Zompro, 2004, were considered to be native to Australia and introduced into Brazil. However, Heteronemia dubia (Caudell, 1904) and Heteronemia fragilis (Brunner von Wattenwyl, 1907), both described more than a hundred years ago from South America, exhibit striking similarities with the two purportedly introduced species and are found to be conspecific with C. evoneobertii. Careful analysis of the literature and specimens revealed that these species belong to the Neotropical tribe Diapheromerini (Diapheromeridae) and represent a new genus, Arumatia Ghirotto gen. nov. We therefore propose Arumatia fulgens (Zompro, 2004) gen. et comb. nov. and Arumatia dubia (Caudell, 1904) gen. et comb. nov. We further redescribe A. dubia (Caudell, 1904) gen. et comb. nov. based on several specimens and synonymize Heteronemia fragilis syn. nov. and Candovia evoneobertii syn. nov. under it. Additionally, five new Brazilian species are described: Arumatia diamante Ghirotto gen. et sp. nov. from Abaíra, Bahia; Arumatia aramatia Ghirotto gen. et sp. nov. from Porto Nacional, Tocantins; Arumatia motenata Ghirotto gen. et sp. nov. from Serra do Cipó, Minas Gerais; Arumatia crassicercata Ghirotto, Crispino & Engelking gen. et sp. nov. from Alto Paraíso de Goiás, Goiás; and Arumatia anyami Ghirotto, Crispino & Neves gen. et sp. nov. from Costa Marques, Rondônia. Species of Arumatia gen. nov. occur mostly in the Cerrado domain, and represent the first Diapheromeridae recorded in this area. Most species are known exclusively from females with only A. aramatia gen. et sp. nov. and A. motenata gen. et sp. nov. known from both sexes. Adult and egg morphology are described and illustrated in detail for all species, as well as the nymph stages for A. dubia. Biological observations are presented, including parthenogeny in A. dubia and one of the few detailed accounts of sexual behaviour in Euphasmatodea (for A. motenata gen. et sp. nov.). Finally, a species of Diapheromerini described in error from Brazil, Diapheromera armata Piza, 1973, is synonymized under the North American Megaphasma denticrus (Stål, 1875) (syn. nov.).
In this study, the new genus Spanglerelmis Polizei & Bispo is described; Microcylloepus ochus Hinton, 1940 is synonymized with Microcylloepus femoralis Hinton, 1940, and transferred to the new genus; and two new species, S. xiririca gen. et sp. nov. and S. timburi gen. et sp. nov. are described. The new genus can be characterized by the combination of the following characters: 1) pronotum without transverse, longitudinal or oblique impressions, sulci or gibbosities on disc; 2) elytra with a carina on interval III and two sublateral carinae on intervals V and VI; 3) mesoventrite with sides strongly raised; and 4) femora with an oblique belt of tomentum dorsally and a transverse belt ventrally. The specimens of the two new species were collected mainly in riffles of unimpacted streams in the Atlantic Forest in São Paulo State, Brazil. Scanning electron microscope images, an identification key for the genus and habitat notes are also presented.
We describe the first Neotropical troglobitic species of the genus Perigona Castelnau, 1835 from specimens collected in eight caves located in the Arcos-Pains-Doresópolis speleological province (APD), southeastern Brazil. Perigona spelunca sp. nov. is the fourth known microphthalmous species of the genus, and the second of the subgenus Neoperigona. Other specialisations to the subterranean environment include brachyptery, elongation of appendages and orangish brown body coloration. The new species has an umbilicate series of punctures on the 8th stria with 15 setae arranged linearly and not divided in three groups. We also provide historic biogeographical remarks on the new species.
Two new species of Ageniella Banks, 1912 (Hymenoptera: Pompilidae) from Brazil and updated keys
(2022)
Ageniella Banks, 1912 is a paraphyletic group exclusive to the Nearctic and Neotropical regions. The genus has a remarkable morphological diversity among species and strong sexual dimorphism, hampering taxonomic studies of it. Herein, we add two new species to the Neotropical fauna of Ageniella: A. caerulea sp. nov. belonging to the subgenus Ameragenia and A. ruschi sp. nov. belonging to the subgenus Priophanes; both species are described and illustrated. A brief discussion of subgeneric characters and an updated taxonomic key to the species of Ageniella known from Brazil are provided.
Lissomus quisqueya new species and L. woodruffi new species are described. Both species are reported from the Dominican Republic on the island of Hispaniola. These are the first species of Lissomus Dalman reported from the Greater Antilles. Lissomus quisqueya is recorded from montane mesic forests in the Cordillera Central from Dajadon and La Vega provinces. Lissomus woodruffi is recorded from Barahona, Independencia and Pedernales provinces from montane mesic forest in the Sierra de Bahoruco. Morphologically, these species are most similar to members of the L. discedens Bonvouloir species group from Mesoamerica and South America. Known sites of occurrence of L. quisqueya and L. woodruffi are remnants of formerly more extensive mesic forests. Some of the specimens were found in secondary forests and ecotonal areas at sites near to primary forest or remnants, and all these forests are threatened by anthropogenic activities and stochastic climate changes.
Megapsyrassa Linsley, 1961 is synonymized with Psyrassa Pascoe, 1866 (Coleoptera: Cerambycidae). Aneflomorpha martini Chemsak and Linsley, 1968 is synonymized with Psyrassa sinaloae Linsley, 1935, and the species is transferred to Aneflomorpha Casey, 1912, new combination. Morphological and chromatic variations in Psyrassa cylindricollis Linsley, 1935 are reported, and a new state record is provided. New records are provided for the following species: Psyrassa atkinsoni (Chemsak and Giesbert, 1986) new combination; P. ebenina Linsley, 1935; and P. nigripes Linsley, 1935. Lastly, four new species of Psyrassa Pascoe, 1866 are described: Psyrassa wappesi García and Santos-Silva, from Mexico (Michoacán); P. sonorensis García and Santos-Silva, from Mexico (Sonora); P. obscuriventris García and Santos-Silva, from Mexico (Jalisco); and P. ocularis García and Santos-Silva, from Guatemala (Zacapa).
ZooBank registration. urn:lsid:zoobank.org:pub:194F7545-EF7C-44B7-9783-286A8BDEB1EC
A new genus of Pudeoniscidae from Peru is described, Loretoniscus gen. nov., including a new species: Loretoniscus mashiriaensis gen. et sp. nov. The new genus is characterized by pereonite 1 epimera without dorsolateral furrows, pereonites 1 and 2 without ventral lobes, telson with distal portion covering uropod endopods, and pleopod 1–2 exopods with respiratory areas. This is the first record of the family Pudeoniscidae from Peru, considerably extending its distribution in the Neotropical region.
Here I describe a new genus, Iviephengus gen. nov., based on a single species, Iviephengus ferreirai gen. et sp. nov., from Peru. This new genus is characterized by the following combination of characters: interantennal distance close to 3 × the antennal socket length; antenna 12-segmented, IV to XI each with two long symmetrical compressed and apically slightly enlarged branches; labrum fused to frontoclypeus; mandibles short, obliquely crossed, each with a notch on the external margin to fit the other mandible and without extra teeth; maxillary palpi 4-segmented, last segment digitiform; labial palpi 2-segmented; posterior tentorial pit consisting of a single small fossa; wing with radial cell closed and transverse, vein r4 interrupted, r3 absent; first tarsomere of pro- and mesotarsus with a ventral comb covering the posterior half of the tarsomere; claws simple, without any teeth; aedeagus with paramere symmetrical, apex unevenly round, toothed inward, with short and sparse bristles. I provide a key to Mastinocerinae genera with 12-segmented antennae and the first pro- and mesotarsomere with ventral combs. I also provide illustrations for the diagnostic features for this new genus. Finally, I discuss the presence and function of some modifications in the mandible and the sternite VIII in Phengodidae and other Coleopteran families.