Mating pairs of Xylomya tenthredinoides versus simillima

I previously separated these two species by the amount of red on the hind femur, but photos of mating pairs suggest this isn't a reliable distinction. The following linked mating pairs appear to represent the below species:

X. tenthredinoides

X. simillima

Based on these observations and consulting Webb 1984, I propose the following differential diagnosis for the two species:

Posted by edanko edanko, August 03, 2021 01:12 AM


Posted by edanko over 1 year ago (Flag)


Posted by zdanko over 1 year ago (Flag)

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