On average the males are much darker (blackish) than the females, but dark females also occur:
The male is more slender and has conspicuously inflated ends of the second antenna segment.
Yes - shame on me (!) - I had the female in the image above uploaded here as a male, probably just quick and dirty based on colour without paying attention to detail *rolleyes* ... oh well, corrected now ...
Posted 5 years ago
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