Valentine’s Day Mystery

What are these?

Amorous insects photographed in St. Louis, MO, in April

Five points to the first commentator who can correctly identify the family, and five more for the first to pick the genus. And because I’m feeling generous, two points to the first person to tell us which is male, and which female. Guesses must be accompanied by supporting traits for full credit.

The cumulative points winner for February will win their choice of 1) an 8×10-sized print from my photo galleries, or 2) a guest post here on Myrmecos.

13 thoughts on “Valentine’s Day Mystery”

  1. I share formicidaefantasy’s frustration.
    The large, single tibial spurs JasonC is talking about are, as he suggested but did not state explicitly, generic characters for Bibio (POINT MINING!). The closely related Dilophus has instead got somewhat shorter spines arranged in two comb-like rows.

  2. Guys, all the entonerdery is dear to my heart, but since none of you have guessed the correct name yet, I’ll have to help you here: LOVEBUGS. (not coincidentally, since I spend so much time in Florida, this is the common name for most of the Bibionids you encounter there).

    1. No, they are not Plecia nearctica, but I suspect Alex chose a Bibionid for the reason that many Bibionids are often referred to as lovebugs, even if they are not THE lovebug. Thus my stupid comment.

  3. Pingback: Answer to the Valentine’s Day Mystery – MYRMECOS - Insect Photography - Insect Pictures

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