Trichoceridae (Dipt.) from the Baltic Amber

in Insect Systematics & Evolution
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Abstract

Several amber collections have been surveyed for Trichoceridae and the two specimens, one male and one female, mentioned by Loew (I850:37) are here described under separate species in a new genus, Oligotrichocera. The systematic position of the family within the Tipuloidea is stressed. The characters for generic assignment in the subfamily Trichocerinae are tabulated. Some wing vein characters, such as the shape of the discal cell (IstM2), the position of sc1 and sc2, and the variation in the medial field are discussed in relation to fossils of tipulid stock and the wing venation of Kawasemyia. The rarity of trichocerids in Baltic amber may not merely be accidental, since the occurrence of adults may not have coincided with the highest amber production during the annual temperature cycle.

Trichoceridae (Dipt.) from the Baltic Amber

in Insect Systematics & Evolution

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