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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 following list includes all traceable films of at least 30 minutes length, which explicitly address the current financial, economic and debt crisis as a main topic and have been available in English or German via European cinemas, television stations, or the internet. This includes dubbed or subtitled versions of films produced in other languages. The film descriptions mostly come from the films’ or television stations’ websites or other marketing material, so they are not necessarily objective (although often informative).
The list is based on an extensive internet search but nevertheless will probably be incomplete and sometimes imprecise. For instance, there is virtually no information about how often the cinema films have actually been shown in theaters; many of them may have been shown just a few times. There are lots of interesting shorter films like The Financial Crisis (Session I–V) (Denmark 2009, Superflex) or RSA Animate: Crises of Capitalism (GB 2010, RSA/David Harvey). Those short films are not listed here, but often they can be easily found and watched online.
The small libellulid genus Rhodothemis is restricted to Asia and Australia. Two of the four included species were described relatively recently by Lohmann (1984) but much previously documented material was never re-identified and the distribution of species in the Indospecies in the Indo-Australian Archipelago remained poorly known. All material available in the Naturalis Biodiversity Center (RMNH) from the eastern part of the Indo-Australian Archipelago was studied and is here brought on record. Key characters are illustrated and SEM images of the genital ligula are presented.
Diskus : Nr. 1.14
(2014)
Dinteria : Nr. 34, 2014
(2014)
Este trabajo actualiza el conocimiento sobre la presencia de cochinillas protegidas en el olivo, Olea europaea Linnaeus (Oleaceae), en Brasil. Aonidiella aurantii (Maskell), Hemiberlesia cyanophylli (Signoret), Hemiberlesia lataniae (Signoret) y Pinnaspis strachani (Cooley) son nuevos registros en olivos en Brasil. Melanaspis obscura (Comstock) es la primera cita en O. europaea en el mundo y una nueva sinonimia se propone: Melanaspis jaboticabae (Hempel) = Melanaspis obscura (Comstock).
Populations of Stegelleta are described from California, New Zealand and Senegal. An amphimictic population from California is identified as belonging to S. incisa and compared with type specimens from Utah and an amphimictic population from Italy. One population from New Zealand is close to S. incisa but considered to represent a new species, Stegelleta laterocornuta sp. nov. It is particularly characterised by a 379–512 μm long body in females and 365–476 μm in males; cuticle divided into 16 rows of blocks at midbody (excluding lateral field); lateral field with four incisures; three pairs of asymmetrical lips, U-shaped primary axils without guarding processes, each lip asymmetrically rectangular with a smooth margin, only lateral lips have slender acute tines; three labial probolae, bifurcated at half of their length; vulva without flap; spermatheca 17–31 μm long; postuterine sac 7–24 μm long; spicules 21.5–23.5 μm long. Other specimens from New Zealand are identified as belonging to S. tuarua. A parthenogenetic population from Senegal is identified as belonging to S. ophioglossa and compared with type specimens from Mongolia and records of several other populations of S. ophioglossa. The generic diagnosis is emended and a key to the species of Stegelleta is provided.
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.
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.