Three new species with sexually dimorphic leg I from China (Pseudoscorpiones, Neobisiidae).

Three new species of the genus Beier, 1967 from China are described: and from Hunan Province, and from Jiangxi Province. In addition to their sexually dimorphic pedipalp, these three new species also have a uniquely sexual dimorphic leg I, which has not been reported in other species. Additionally, an updated key to the Chinese species is provided.

Five new epigean species (Pseudoscorpiones, Chthoniidae) from southern China.

Five new species of the pseudoscorpion family Chthoniidae are described, based on morphological characters: , , , , and All specimens were collected from epigean habitats in southern China.

Revision of the genus Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from China, with descriptions of two new species.

Background: The species-group previously comprised only two species, Muchmore, 1975 and Zhang and Zhang, 2014, of which is distributed in China.

New Information: Three species of the genus are described from China: and from Xizang Autonomous Region and from Yunnan Province. The female of is reported for the first time.

Description of two species from China (Pseudoscorpiones, Neobisiidae), with comments on the exaggerated sexual dimorphic pedipalp in this genus.

Two species belonging to the family Neobisiidae are diagnosed, described, and illustrated from China: . from Chongqing Municipality, and Hu & Zhang, 2012 from Fujian Province. The male of is reported for the first time.

Maternal care in Mid-Cretaceous lagonomegopid spiders.

Maternal care benefits the survival and fitness of offspring, often at a cost to the mother's future reproduction, and has evolved repeatedly throughout the animal kingdom. In extant spider species, this behaviour is very common and has different levels and diverse forms. However, evidence of maternal care in fossil spiders is quite rare.