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Feeding Derbids

30mm (wingspan) | January 21, 2011 | Finca La Isla, Limon Province, Costa Rica

These planthoppers in the family Derbidae are feeding on the yellow stem.

You can clearly see the left one’s beak (rostrum) inserted in the stem. Next time I’ll have to try and get a good profile shot. They really are odd looking.

Face on

Also odd are those Velcro like hooks along the leading edge of the wing.

What purpose might these hooks server?

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Identification Challenge #11 Reveal: Derbidae

15mm (wingspan) | January 20, 2011 | Armonia Nature Preserve, Limon Province, Costa Rica

Both commenters on the last identification challenge correctly identified the critter above as a planthopper in the family Derbidae.

At a glance, you might mistake these hemipterans for lepidopterans. The first thing you might notice as being a bit off are those antennae. If you look closely enough, you’ll see the typical hemipteran rostrum.

Here’s another one, with what appears to be an abdominal injury.

Another derbid

Reference:

500 Insects:
A Visual Reference
by Stephen A. Marshall
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