Entomology (Study of Bugs)/Spider and month



Navy moth
Navy moth  
Hello Eric.
Can you help me with specimen names for this orb-weaver and moth?
I found them in South America.
Thank you in advance!


South America is a large continent.  A more specific location would have been helpful....

The spider is a female orb weaver in the genus Argiope , perhaps the "Silver Argiope," Argiope argentata , but I can't be positive.

The moth is probably something in the subfamily Arctiinae....Looks like Napata leucotelus .  It is a wasp mimic that flies during the day.

Hope that helps!


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Eric R. Eaton


I answer insect and spider identification questions ONLY. Attach images if possible. No "what bit me?", "what do I feed this bug in captivity?", or science fair project questions please. NO TECHNICAL QUESTIONS ABOUT INSECT PHYSIOLOGY.


Principal author, Kaufman Field Guide to Insects of North America. Professional entomologist employed previously at University of Massachusetts, Chase Studio, Inc., and Cincinnati Zoo; contract work for West Virginia Department of Natural Resources, Smithsonian Institution, and Portland (Oregon) State University.

Author, Kaufman Field Guide to Insects of North America, Missouri Conservationist magazine, Ranger Rick, Birds & Blooms, Timeline (journal of the Ohio Historical Society). I have contributed to several books as well.

Oregon State University, undergraduate major in entomology, did not receive degree.

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One of the top 50 experts in all categories for AllExperts.com, 2009.

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Principal author of the Kaufman Field Guide to Insects of North America, Smithsonian Institution (contract), Cincinnati Zoo (employer), Portland State University (contract), Chase Studio, Inc (employer), Arkansas Museum of Discovery (guest speaker). Currently seeking speaking engagements, leadership roles at nature festivals, workshops, and ecotours.

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