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TaxonomyBrowse
Info
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Genus Scytodes

TX Green & Brown Spider? - Scytodes atlacoya Scytodes spitting spider - Scytodes atlacoya - female Scytodes lugubris - female Spitting Spider - Scytodes thoracica - female Scytodes male - Scytodes lugubris - male Scytodes globula - male - female Scytodes globula Scytodes atlacoya - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Synspermiata)
Family Scytodidae (Spitting Spiders)
Genus Scytodes
Numbers
There are 246 species of scytodids in 5 genera. Only one genus, Scytodes, comprising 225 species worldwide, is known to occur in the US, represented by 10 species:
alayoi, atlacoya, dorothea (velutina), globula, fusca, longipes, lugubris, thoracica, univittata, and zapatana.
Identification
Carapace Patterns compared to drawings in Valerio, 1981 (1)
Carapace Patterns and leg qualities compared to specimens on BOLDSYSTEMS.org website species pages (updated:2017) (see Internet References below)

S. atlacoya: ♂ (spotted or ringed legs, with darker joints)

S. fusca: ♂ (clear legs, with darker joints)

S. globula: ♂ (banded and mottled legs. Carapace pattern similar to S. atlacoya, but usually darker and bolder. Overall coloration can be very dark)

S. lugubris: ♂ (long-thin stripes on legs, with dark joints)

S. thoracica: ♂ (thickly-banded legs)

S. univittata: ♂ (clear legs, males have modified fore-legs, with two rows of spines)
Internet References
~ BOLDSYSTEMS page for the genus Scytodes - These are specimens verified by DNA testing.
Works Cited
1.Spitting Spiders (Araneae, Scytodidae, Scytodes) from Central America.
Valerio, C.E. (1981). 1981. Bull. AMNH 170: 80-89.