Boreallodape, ENGEL, 2001

ENGEL, MICHAEL S., 2001, A Monograph Of The Baltic Amber Bees And Evolution Of The Apoidea (Hymenoptera), Bulletin of the American Museum of Natural History 2001 (259), pp. 1-1 : 1-

Key to Species of BOREALLODAPE

1. Pleura strongly punctate, punctures well­defined, small and separated by a puncture width or less; tergal punctation closely spaced, separated by a puncture width at most; basal area of propodeum variable; larger species (body length more than 4 mm)............................ 2

– Pleura impunctate; tergal punctation minute and sparse, puncture separated by 1–3 times a puncture width; basal area of propodeum glabrous; smaller species (body length less than 4 mm).................................. B. mollyae , n. sp.

2. Lower half of hypoepimeral area impunctate; punctures of mesepisternum not nearly contiguous, separated by 1–1.5 times a puncture width of smooth integument....................... B. baltica , n. sp.

– Hypoepimeral area uniformly punctured; punctures of mesepisternum nearly contiguous, when separated, then separated by less than a puncture width.............................. B. striebichi , n. sp.