What's That Bug? does not endorse extermination

Subject:  Katydid
Geographic location of the bug:  Southern Nicoya Peninsula
Date: 01/07/2018
Time: 12:00 PM EDT
Can you identify this bug?
I took these pictures a couple of days ago in a house near Santa Teresa.
It looks a bit like a Haemodiasma Tessellata but the body is flatter and the shape of the head looks different. It has very long, thin antennae, approx twice the length of the body, which are not fully visible in the pictures.
Thanks a lot!
How you want your letter signed:  Matteo

Katydid

Dear Matteo,
We agree that your individual does resemble a Moss Mimic Katydid,
Haemodiasma tessellata, and it also resembles the Panama Sylvan Katydid, Acanthodis curvidens.  We will attempt to contact Katydid expert Piotr Naskrecki to see if he can provide a species identification.

Katydid

Piotr Naskrecki provides the identification.
Hi Daniel,
Happy New Year to you, too! This is Acanthodis curvidens. Haeodiasma tessellata has a stouter body and the strongly curved spines (“curvidens”) on the hind femur are a giveaway.
Cheers,
Piotr Naskrecki, Ph. D.
Museum of Comparative Zoology, Harvard University

Dear Daniel
Thanks a lot for your answer.
I am a total novice in entomology but since I moved to Costa Rica I am surrounded by all kinds of wildlife and I often bump into weird looking creatures.
So proud my guess was spot on! Hahaha!
Please forward my thanks to Piotr Naskrecki.
Cheers
Matteo
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What's That Bug? does not endorse extermination
Location: Santa Teresa, Costa Rica
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2 Responses to Katydid from Costa Rica: Acanthodis curvidens

  1. It is cool to see Piotr, who I already knew from WTB? on Netflix “72 Dangerous Animals: Latin America”!

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