Thread subject: Diptera.info :: Mycetophilidae => Dziedzickia? No, Trichonta

Posted by Steve Scholnick on 20-02-2021 00:17
#1

female fungus gnat found near the Potomac River. Keys out to Dziedzickia using the Manual of the Nearctic Diptera and in Shaw & Fisher's 1952 paper on "Fungivoridae". MND says "Dziedzickia is undoubtedly a complex of several genera." and the genus appears to include species with and without wing vein R2+3 (from Baxter, 1989: "The Nearctic species D. longicornis (Coquillett), D. polyzona (Loew), D. separata (Johannsen), and D. vittata (Coq.) differ from Hadroneura, D. marginata, and D. pentastylobia in the absence of vein R2+3." (https://www.jstor...e/25085060)). body length ~4mm

Not every character state in each MND couplet fits so I'd appreciate confirmation/correction of the ID. Thanks in advance for the help.

Steve

live.staticflickr.com/65535/50960748497_b7defdc7c5_k.jpg

live.staticflickr.com/65535/50960644366_0473af6585_k.jpg

live.staticflickr.com/65535/50960748517_b3a5506460_k.jpg

live.staticflickr.com/65535/50959943518_25a98036ef_b.jpg

live.staticflickr.com/65535/50960644386_daab68117b_3k.jpg

live.staticflickr.com/65535/50959943408_2097b1193c_k.jpg

dorsal view of right wing; ventral view of left
live.staticflickr.com/65535/50960644351_a71f86070c_b.jpg

Edited by Steve Scholnick on 20-02-2021 18:15