Strigamia


Strigamia is a genus of soil centipedes in the subfamily Linotaeniinae, a clade formerly known as the family Linotaeniidae, but now deemed a subfamily within the family Geophilidae. This genus is among the most widespread genera in the order Geophilomorpha. These centipedes are found in temperate parts of the Holarctic region, including much of North America and Eurasia.

Description

Species in this genus feature bodies that taper toward both the anterior and posterior ends. The head is about as long as wide. The coxosternite of the first maxillae is entire rather than divided. The forcipular sternite is wider than long and lacks chitin lines. The forcipules are relatively short but each feature four distinct articles, with a large denticle at the base of the ultimate article but no denticle on the first article. The sternites feature paired fields of pores. The basal element of the ultimate legs features pores on the ventral side only. These legs are about as long as the penultimate pair, and each leg features six articles and ends in a claw. The ultimate legs are distinctly swollen in the male.
Centipedes in this genus can reach 15 cm in length and can have as few as 31 pairs of legs or as many as 83 leg pairs. Other species with notably few legs include the Siberian species S. sibirica, the Japanese species S. korsosi, and the Romanian species S. lutea. The species S. nana and S. korsosi are notable for their small sizes as well as for their modest number of legs.

Taxonomy

The genus name Strigamia was introduced in 1843 by T. Rymer Jones, who gave credit to John Edward Gray as the author of this name. Although some references place this genus in the family Linotaeniidae, authorities deemed Linotaeniidae to be a junior synonym of Geophilidae in 2014 based on a phylogenetic analysis of the order Geophilomorpha using both morphological and molecular data. Authorities now place this genus in the family Geophilidae instead, but within the subfamily Linotaeniinae.

Species

The genus Strigamia contains more than 40 valid species, including the following:Strigamia acuminata Leach c gStrigamia alokosternum Attems c gStrigamia auxa Chamberlin, 1954 gStrigamia bicolor Shinohara 1981 c gStrigamia bidens Wood, 1862 c g bStrigamia bothriopus Wood, 1862 c g bStrigamia branneri Bollman C.H. c g bStrigamia carmela Chamberlin, 1941 gStrigamia caucasia Verhoeff c gStrigamia cephalica Wood 1862 c gStrigamia chionophila Wood, 1862 c g bStrigamia cottiana Verhoeff c gStrigamia crassipes Koch c gStrigamia crinita Attems c gStrigamia engadina Verhoeff c gStrigamia epileptica Wood, 1862 c g bStrigamia exul Meinert c gStrigamia filicornis Wood 1862 c gStrigamia fulva Sager 1856 c gStrigamia fusata Attems, 1903 gStrigamia gracilis Wood 1867 c gStrigamia herzegowinensis Verhoeff c gStrigamia hirsutipes Attems c gStrigamia hoffmani Pereira, 2009 g
Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net