About Phintella castriesiana (Grube, 1861)
Phintella castriesiana is the largest and darkest species of the Phintella genus found in the Russian Far East. Males have an approximate body length of 4.6 mm, while females grow to around 4.9 mm. The male has a yellowish-brown cephalothorax marked with black veins, and its eyes are surrounded by black rings, with white scales located near the eyes. The sternum, labium, and maxillae are yellow, and the chelicerae are brownish. The male's opisthosoma is yellow, with a dark grey pattern on its dorsal surface; it is light-colored on the ventral side, with a dark longitudinal streak. The male's legs are yellow, with brown longitudinal stripes on the femora of legs I to III, and brown dots on the proximal and distal parts of the tibiae of legs I and II. Females have similar coloration to males but are slightly paler, and all of their legs are uniformly yellow. Phintella castriesiana has been recorded in the Canary Islands, southern Europe, North Africa, the Middle East, Turkey, the Caucasus, Iran, the Russian Far East, Korea, and Japan. This species has been collected from grass vegetation in mixed forests.
