Lutosus, Irfan & Zhang & Peng, 2022

Irfan, Muhammad, Zhang, Zhi-Sheng & Peng, Xian-Jin, 2022, Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China, Megataxa 8 (1), pp. 1-292 : 156

Lutosus gen. nov. (ffiȁƦø)

Type species: Lutosus projectis sp. nov. (ŧẌffikƦ)

Etymology. The genus name comes from the Latin adjective “ Lutosus ”, meaning “thick” and refers to the thick spine on the patella of the male palp. Gender is masculine.

Diagnosis. Lutosus gen. nov. can be distinguished from any other Erigoninae genus by the patella of leg I and male palp patella each with a long and thick macrosetae ( Figs 181B–D , 184A, B ); palp tibia with three apophyses ( Fig. 181B, D ); the distal arm of paracymbium with many projections. Embolic division simple with sclerotized embolic membrane and long terminal apophysis; embolus long, curved ( Fig. 181A–C ).

Figures

FIGURE 181. Lutosus projectis sp. nov., male palp of holotype. A prolateral view B retrolateral view C ventral view D dorsal view.

FIGURE 184. Megalepthyphantes gongshanensis sp. nov. female (one of paratypes). A, C Epigyne, ventral view B Epigyne, lateral view D Vulva, dorsal view.