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Andrey I Khalaim
Three species of the genus Allophrys Förster are found to occur in Japan: A. matsumurai sp. nov., A. takemotoi sp. nov. and a third morphospecies known only from males. This is the first description of Allophrys species from Japan, as well as from the entire Palaearctic region. An identification key to Japanese species of Allophrys is provided.
January 17, 2017: Zootaxa
Andres Fabian Herrera-Florez, Mariana Geraldo, Manoel Martins Dias Filho, Angelica Penteado-Dias
The genus Jomine Graf-Kumagai has two described species known only from Brazil. A new species, J. paulista Herrera-Florez sp. n. is described and its host is given here. The material used in this work was obtained during a survey of the Geometridae larvae and their parasitoids in an understory at São Paulo, Brazil. An identification key to the species of Jomine is provided.
January 26, 2017: Zootaxa
Neveen S Gadallah, Ahmed M Soliman, Hathal M Al Dhafer
The genus Eucremastus Szépligeti, 1905 (Hymenoptera: Ichneumonidae: Cremastinae) is recorded for the first time for the Arabian Peninsula from the Kingdom of Saudi Arabia. The present study is based on specimens collected from Al-Khararah, Rawdhat Al-Harmalyiah, Rawdhat Al-Sabalh, Rawdhat Farshet Sheaal and Wadi Ghaihab (Riyadh region, Central of Saudi Arabia). Three new species, E. arabicus Gadallah & Soliman, E. flavus Gadallah & Soliman and E. rufoantennalis Gadallah & Soliman are described and illustrated...
January 9, 2017: Zootaxa
Alexey Reshchikov, Zai-Fu Xu, Hong Pang
A new species of the genus Lethades Davis, 1897 (Ctenopelmatinae: Pionini), Lethades orientalis Reshchikov & Xu, sp. n., collected in Heishiding Nature Reserve in Guangdong Province, China, is described. This is new record of the genus from China and for the Oriental region also. The species can be distinguished from all other species of the genus by its black metasoma, the presence of an areolet on the fore wing, distinctly pectinate claws with teeth of the hind claw as high as the claw itself, and a complete longitudinal propodeal carina...
2017: ZooKeys
M Lukas Seehausen, Michel Cusson, Jacques Régnière, Maxence Bory, Don Stewart, Abdelmadjid Djoumad, Sandy M Smith, Véronique Martel
Endoparasitoids face the challenge of overcoming the immune reaction of their hosts, which typically consists of encapsulation and melanisation of parasitoid eggs or larvae. Some endoparasitic wasps such as the solitary Tranosema rostrale (Hymenoptera: Ichneumonidae) that lay their eggs in larvae of the spruce budworm, Choristoneura fumiferana (Lepidoptera: Tortricidae), have evolved a symbiotic relationship with a polydnavirus (PDV), which in turn helps them suppress the host's immune response. We observed an increase in mortality of immature T...
December 29, 2016: Journal of Insect Physiology
Pascal Rousse, Gavin R Broad, Simon van Noort
We describe Genaemirum phagocossorum Rousse, Broad & van Noort, sp. n., a new ichneumonine parasitoid wasp reared from Eucalyptus nitens logs infested by the cossid moth Coryphodema tristis, which is considered a major pest of forestry and food crops in South Africa. This is the first plausible host association for the genus, and fits with the host association predictions of Heinrich. Two further undescribed species were found in the collections of the Natural History Museum in London and are described as Genaemirum phacochoerus Broad, Rousse & van Noort, sp...
2016: ZooKeys
M Lukas Seehausen, Jacques Régnière, Véronique Martel, Sandy M Smith
The temperature-dependent development and survival of immatures, as well as adult longevity and potential fecundity of the endoparasitoid Tranosema rostrale (Hymenoptera: Ichneumonidae) parasitizing spruce budworm Choristoneura fumiferana (Lepidoptera: Tortricidae) larvae was investigated under laboratory conditions at several constant temperatures ranging from 5 to 30°C. Maximum likelihood modeling approaches were used to estimate thermal responses in development, survival, and longevity. A model describing the effect of temperature on potential fecundity of the parasitoid was also developed taking oogenesis and oosorption into account...
November 19, 2016: Journal of Insect Physiology
Gavin R Broad
BACKGROUND: The checklist of British and Irish Ichneumonidae is revised, based in large part on the collections of the Natural History Museum, London and the National Museums of Scotland, Edinburgh. Distribution records are provided at the country level. NEW INFORMATION: Of the 2,447 species regarded as valid and certainly identified, 214 are here recorded for the first time from the British Isles. Neorhacodinae is considered to be a separate subfamily rather than a synonym of Tersilochinae...
2016: Biodiversity Data Journal
Seraina Klopfstein
The Australian insect fauna is among the least-well studied in the world, and conservative estimates state that 75% of the species still await description. In the more species-rich groups, this percentage might be even larger, which is certainly the case in parasitoid wasps which have received very little attention by taxonomists. The genus Pristomerus of the family Ichneumonidae is distributed worldwide, with most species found in the tropics. Its members attack concealed larvae of small Lepidoptera, and several species are used in biocontrol...
September 15, 2016: Zootaxa
Alessandro Rodrigues Lima, Alice Fumi Kumagai
The taxonomic knowledge about Brazilian Ichneumonidae species is still incipient, especially for groups poorly represented in the Neotropics, like Ctenopelmatinae. The genus Lathrolestes Förster, 1869, mainly Holarctic, is here recorded for the first time to Brazil, with description of L. piranga Lima & Kumagai sp. n. and L. pitunauassu Lima & Kumagai sp. n. Additionally, a key to the Neotropical species is provided.
September 26, 2016: Zootaxa
Santiago Bordera, Marina Mazón, Ilari E Sääksjärvi
We describe three new species of parasitoid wasps of the genus Atractodes (Ichneumonidae: Cryptinae) from South America: A. colchaguensis sp. nov. from Chile, and A. pleuripunctatus sp. nov. and A. saragurensis sp. nov. from Ecuador. These species are all characterized by a densely and strongly punctate mesopleuron. The Atractodes pleuripunctatus species-group is defined to accommodate the new species. In addition, the second part of the key to species of the Neotropical Atractodes including this species-group is given...
September 6, 2016: Zootaxa
D R Kasparyan, Jin-Kyung Choi, Jong-Wook Lee
A new ichneumonid-species Rhorus koreensis sp. nov. is described from South Korea. Monoblastus jinjuensis Lee et Cha, 1993 described from South Korea is transferred to Rhorus (new combination). Only Rh. takagii (Uchida, 1931) is recorded previously from South Korea. Rhorus nigritarsis (Hedwig, 1956) is recorded for the first time from South Korea. A key to the four South Korean species are provided.
August 31, 2016: Zootaxa
Alexey Reshchikov
The genus Asthenara Förster, 1869, belonging to the tribe Pionini of the subfamily Ctenopelmatinae (Hymenoptera, Ichneumonidae), comprises eight described species (Yu et al. 2012). Two of them are distributed in the Palaearctic Region, and six in the Neotropical region. One Neotropical species is known from Costa Rica (Gauld et al. 1997), the remaining five from Mexico (Kasparyan 2006). Kasparyan (2006) provided a key to the species from the Mexico. To date, no species of the genus have been described from Nearctic region or south of Costa Rica...
August 19, 2016: Zootaxa
I Juric, W Salzburger, O Balmer
The diamondback moth (DBM) (Plutella xylostella) is one of the main pests of brassicaceous crops worldwide and shows resistance against a wide range of synthetic insecticides incurring millions of dollars in control costs every year. The DBM is a prime example of the introduction of an exotic species as a consequence of globalization. In this study we analyzed the genetic population structure of the DBM and two of its parasitic wasps, Diadegma semiclausum and Diadegma fenestrale, based on mitochondrial DNA sequences...
August 30, 2016: Bulletin of Entomological Research
Niclas R Fritzén, Ilari E Sääksjärvi
Apical serrations of the hymenopteran ovipositor have been widely postulated to originally constitute adaptations for cutting through hard substrates. Simplifications of the ovipositor tip have occurred in several ichneumonid wasp genera associated with spiders. Despite such reduction in Clistopyga (Hymenoptera, Ichneumonidae), the ovipositor still possesses some apical serrations. Through the first detailed study, we believe, on the behaviour of an ovipositing Clistopyga species, we show that it can alter its ovipositor for different purposes and that the primary function of the apical serrations is clinging to its spider host as the spider attempts to escape...
August 2016: Biology Letters
So Shimizu, Kyohei Watanabe, Kaoru Maeto
We revise the Taiwanese species of the ophionine genus Leptophion Cameron, 1901. As a result, three species, including a new species, are recognized. Two of them were identified as L. maculipennis (Cameron, 1905) and L. radiatus (Uchida, 1956), both of which had been previously recorded in Taiwan; we redescribe them based on Taiwanese specimens. We describe a single new species as L. giganteus Shimizu & Watanabe, sp. nov. The phenology and distribution of the species are briefly discussed. A key to the Taiwanese species of Leptophion and additional couplets to the key proposed by Gauld & Mitchell (1981) are also provided...
July 26, 2016: Zootaxa
M Alvarado
The small Neotropical genus Sicophion currently comprises two described species. The genus is recorded for the first time in Peru and S. yana sp. n. is described. A key to species is also presented.
July 14, 2016: Zootaxa
Ana P Sereno, Adriana Salvo, Moira Battán-Horenstein
Larvae of necrophagous flies in the families Calliphoridae, Sarcophagidae and Muscidae are the main exploiters of decaying organic matter. Knowledge of insect species associated with each stage of decay can be used to estimate the time since death in the crime scene. Dipteran larvae are attacked by a rich community of parasitoids, including species of Braconidae, Ichneumonidae and Pteromalidae (Hymenoptera: Parasitica). This study examined the parasitic complex associated with flies of forensic and sanitary importance in the city of Córdoba (Argentina)...
October 2016: Acta Tropica
M Lukas Seehausen, Jacques Régnière, Véronique Martel, Sandy M Smith
The seasonal pattern of parasitism by a parasitoid can be influenced by many factors, such as interspecific competition and host instar preference. We conducted field and laboratory experiments to describe the seasonal pattern of parasitism of spruce budworm Choristoneura fumiferana (Clemens) larvae by Tranosema rostrale (Brischke), and to investigate whether this pattern can be explained by interaction with other parasitoid species, or by host instar preference. Larval survival, developmental time, sex ratio, and adult size of T...
July 14, 2016: Environmental Entomology
Santiago Bordera, Marina Mazón, Ilari E Sääksjärvi
The Neotropical species of the cryptine genus Atractodes are studied, and four species-groups are proposed. In this paper, A. altoandinus and A. propodeator species-groups are diagnosed. The former species-group occurs from southern Mexico to Brazil and includes some of the largest Atractodes species ever found, all possessing a strongly sloped propodeum; the latter species-group is only known from the Chilean Andes and includes one of the smallest species of Atractodes, characterised by a very short and curved tergite I and short first flagellomere...
July 8, 2016: Zootaxa
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