Larvae of scarab beetles of the subfamily Trichiinae (Coleoptera, Scarabaeidae) from the Russian Far East

Previously unknown larvae of three species (Osmoderma davidis Fairmaire, Gnorimus subopacus Motschulsky, and Lasiotrichius succinctus (Pallas)) of the subfamily Trichiinae are described and illustrated. Original keys to larvae of the subfamilies Trichiinae, Cetoniinae, and Valgiinae and to the gener...

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Bibliographic Details
Published in:Entomological review 2009-12, Vol.89 (9), p.1131-1136
Main Authors: Shabalin, S. A, Bezborodov, V. G
Format: Article
Language:English
Subjects:
Antennae
Biomedical and Life Sciences
Coleoptera
Head
Keys
Labrum
Life Sciences
Reviews
Scarabaeidae
Setae
Sutures
Zoology
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Summary:Previously unknown larvae of three species (Osmoderma davidis Fairmaire, Gnorimus subopacus Motschulsky, and Lasiotrichius succinctus (Pallas)) of the subfamily Trichiinae are described and illustrated. Original keys to larvae of the subfamilies Trichiinae, Cetoniinae, and Valgiinae and to the genera of the subfamily Trichiinae of the Russian fauna are compiled. The larva of Osmoderma davidis differs from that of O. barnabita Motschulsky in the shape of the frontal sutures and chaetotaxy of the frontal triangle and clypeus. The larvae of Gnorimus subopacus differ from those of G. nobilis (L.) and G. octopunctatus (F.) in the position of symmetrical rows of setae on the anal sternite. The larvae of representatives of the genus Lasiotrichius Reitter, described for the first time, differ from those of all the other genera of the subfamily Trichiinae in the smooth head capsule and in the absence of tubercles on the labrum. These larvae differ from those of the genus Trichius in the completely pale brown basal membrane at the antennae (the membrane of Trichius bears black stripe).
ISSN:0013-8738
1555-6689
DOI:10.1134/S0013873809090139