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The visual system of A. chalcodes is critical to its survival as spiders rely on their spectral sensitivity and visual acuity in order to survive. These spiders have two sets of eyes, referred to as the primary and secondary sets. Spectral sensitivity within these eyes is critical as it is essential in distinguishing different wavelengths. [6]
Basic arrangement of spider eyes, viewed from above. Most spiders have eight eyes, which tend to be arranged into two rows of four eyes on the head region. The eyes can be categorised by their location and are divided into the anterior median eyes (AME), anterior lateral eyes (ALE), posterior median eyes (PME), and posterior lateral eyes (PLE).
Aphonopelma is a genus of tarantulas native to the Americas. It includes nearly all the North American tarantula species north of Mexico and a considerable percentage ...
Aphonopelma moderatum is a species of spider in the family Theraphosidae, found in United States, in the state of Texas. [2] Commonly called the Rio Grande Gold Tarantula as they are found in the Rio Grande Valley of Texas .
Aphonopelma sandersoni Smith, 1995 Aphonopelma sullivani Smith, 1995 Aphonopelma eutylenum , commonly called California ebony tarantula , [ 3 ] is a species of spider in the family Theraphosidae , found in the United States (California).
Aphonopelma iodius is a species of spider in the tarantula family Theraphosidae, found in United States (California, Nevada, Arizona and Utah). [2] A 1997 paper combined it with three other previously described species (A. angusi, A. melanium, and A. nevadanum) into a single species, calling it "A. iodium". [3]
Aphonopelma xwalxwal is a species of spiders in the family Theraphosidae, found in United States . [1] Etymology and pronunciation A ...
Aphonopelma caniceps is a species of spider in the family Theraphosidae, found in Mexico. [1] This species was first described as Eurypelma caniceps in 1891 by Eugène Simon , [ 2 ] [ 3 ] and was transferred to the genus, Aphonopelma , in 1993 by Günter Schmidt .