Tag Archives: wasp

Apple oak gall

Apple oak gall (Amphibolips confluenta or Amphibolips quercusinanis), backlit to show leaf-like venation. Second photograph is a cross section showing where the wasp larva develops. I’d love to know what the spotting does, if anything. Cynipid wasps love oaks for some … Continue reading

Posted in Photography, Science | Tagged , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Raspberry crown borer

I LOVE this clearwing moth. The raspberry crown borer (Pennisetia marginata) is a Batesian mimic of (I think) Vespula maculifrons and V. pensylvanica, our native yellow jackets. If you’re mildly impressed by the resemblance, you should see them in flight or walking … Continue reading

Posted in Biology, Gardening, Photography, Science | Tagged , , , , , , , , , , , , , , , | Leave a comment

Ectoparasitic wasp larvae

Here are photographs of a clump of ectoparasitic larvae I found attached to a small caterpillar. I think they are wasps in the genus Euplectrus (Eulophidae). Females apparently inject hosts with a venom that prevents the caterpillar from molting, thus preventing the … Continue reading

Posted in Biology, Photography, Science | Tagged , , , , , , , , , , , | Leave a comment