A new species of the millipede genus Cryptocorypha Attems, 1907, from northern Thailand (Polydesmida, Pyrgodesmidae)

By

Likhitrakarn, Natdanai
Golovatch, Sergei
Srisonchai, Ruttapon
Čhirasak Sutčharit
Somsak Panhā‏

Type

Article

Date of Publication

2019

Original Publication

ZooKeys

Volume

833

Pages

121-132

Subjects

Chiang Mai , Diplopoda , Henrik Enghoff , Huai Hong Khrai Royal Development Study Centre

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers

Identifiers

DOI: https://doi.org/10.3897/zookeys.833.32413

 

Abstract

The millipede family Pyrgodesmidae and the genusCryptocoryphaare recorded from Thailand for the first time, being represented there byC.enghoffisp. n.The new species is distinguished by the evident apicodorsal trichostele on the last tibia of both sexes and the gonopodal telopodite being particularly complex, quadripartite, consisting of the longest, mesal, suberect solenomere branch; a slightly shorter, similarly slender, acuminate endomere branch tightly appressed to the solenomere; a somewhat shorter, caudal, strongly curved, armed exomere process; and a very distinct, low, lateral, sac-shaped velum at their base. This situation strongly resembles the one observed in the geographically closestC.perplexaGolovatch & VandenSpiegel, 2015, from Myanmar, but the shapes and armament of all outgrowths of the gonopodal telopodite are clearly different. A key to all threeCryptocoryphapecies known from Indochina or Myanmar and an updated checklist of all 21 species of the genus are provided.