Encyocratella olivacea 3/4”size 3 4 This unique arboreal African spider from Tanzania is unusual as its one of 2 or 3 species known where the females lack a spermatheca. As a results its one of the very few species that can retain sperm and lay a fertile eggsac, even after molting. Sexing them can be tricky as you need to identify the flap of the uterus externus and not the spermatheca. However I have also noticed in specimens 3 inches or more, that ventral sexing of this