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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Parasitica" - Parasitoid Wasps » Braconid and Ichneumonid Wasps (Ichneumonoidea) » Braconid Wasps (Braconidae) » Brachistinae » Blacini » Blacus
Photo#1835018
braconid - Blacus - male
Copyright © 2020 Steve Scholnick

braconid - Blacus - Male
Rockville, Montgomery County, Maryland, USA
June 13, 2020
Size: forewing 2.8mm
This one appears to key out to Blacinae (now Blacini) and then to Blacus using Sharkey's keys (1). Going out on an even skinnier twig, using van Achterberg's 1988 revision of this subfamily (2), it appears to key out to his subgenus Ganychorus and then to B. ruficornis. FWIW, van Achterberg's paper states that this species is found across the US, including Maryland.
I found the van Achterberg paper hard to use for a number of reasons so the subgenus and species IDs could be completely wrong (as could be the rest of the ID for that matter).

Thanks in advance for the help.

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Contributed by Steve Scholnick on 17 June, 2020 - 12:26am
Last updated 5 December, 2021 - 3:51pm

Moved
Moved from Braconid Wasps.
… Steve Scholnick, 18 June, 2020 - 12:59am login or register to post comments

Blacus confirmed…
Comment by Dr. Sharkey: "Looks a lot like other things but the parastigma is extra large."

See reference here.
… Ross Hill, 17 June, 2020 - 12:25pm login or register to post comments

 
Thanks Ross
Did Dr. Sharkey happen to elaborate on what those "other things" might be?
… Steve Scholnick, 18 June, 2020 - 12:59am login or register to post comments

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