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Category Archives: Spiders & Relatives

Trinidad Chevron Tarantulas, Chili Peppers, and Capsaicin Receptors

February 25, 2015by rathomas49 Leave a comment

Many Neotropical and Nearctic tarantulas defend themselves by releasing urticating bristles into the air around them when threatened by a potential predator. The hairs are barbed and contain an irritating […]

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Spiders & Relatives

Cyclosa spider

July 30, 2012by rathomas49 Leave a comment

Photo by Shannon Fortenberry, Cockscomb Basin Wildlife Sanctuary, Belize, May 2012. Cyclosa spiders are in the Araneidae family and are orb-web weavers.  They build a stabilimentum with debris (often old […]

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Spiders & Relatives

Giant Crab Spider, Olios simonsi

July 30, 2012by rathomas49 Leave a comment

Photo by Kevin Zansler, Cockscomb Basin Wildlife Sanctuary, Belize, May 2012. Giant crab spiders belong to Family Sparassidae.  We are informed by Stuart Longhorn that the spider in this photo […]

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Spiders & Relatives

Spider lycosid

July 25, 2012by rathomas49 Leave a comment

Photo by Bob Thomas, Tikal, Guatemala, May 2010.   Photo by Shannon Fortenberry, Cockscomb, Belize, May 2012. Female wolf spiders carry their cocoon using their spinnerets.  Once the spiderlings emerge, […]

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Spiders & Relatives

Pink-toed Tarantula, Avicularia avicularia

July 25, 2012by rathomas49 Leave a comment
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Spiders & Relatives

What spider with egg case? (05-2012)

July 25, 2012by rathomas49 Leave a comment

Photo by Bob Thomas, taken at Chiquibul Education Centre, Las Cuevas, Belize, May 2012. Spider on the right on the web (a little over exposed) with brown egg case hanging […]

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Spiders & Relatives, What is this?

Trinidad Chevron Tarantula, Psalmopoeus cambridgei

July 23, 2012by rathomas49 Leave a comment

Photo by Shannon Fortenberry, Asa Wright Nature Center, Trinidad, November 2009. If you look very carefully just to the right of the rear leg viewed here to the upper left, […]

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Spiders & Relatives

Red-rump tarantula, Brachypelma vagans

July 21, 2012by rathomas49 Leave a comment

Photo by Aimée Thomas, Cockscomb Basin Wildlife Sanctuary, Belize, May 2011. Photo by Shannon Fortenberry, Cockscomb Basin Wildlife Sanctuary, Belize, May 2010. Photo by Aimée Thomas, Cockscomb Basin Wildlife Sanctuary, […]

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Spiders & Relatives

Pseudoscorpion

July 21, 2012by rathomas49 Leave a comment
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Spiders & Relatives

Bogota giant fishing spider, Ancylometes bogotensis

July 21, 2012by rathomas49 Leave a comment

Photo by Bob Thomas Photo by Jenny Lamb, May 2010. Most naturalists know the pisaurid fishing spiders of the genus Dolomedes.  Ancylometes are a larger type of fishing spider, and is […]

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Spiders & Relatives

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