Key to s African Chelypus - the Moleromans

Genus Chelypus> Purcell, 1901 Moleromans

Key to the southern African species of Chelypus Purcell (males) (1973)

1. Distal end of flagellum shaft bifurcate ... goto 2
   1' Distal end of flagellum shaft gradually tapering to a fine point ... goto 4

2. Metatarsus of leg IV with a well developed hook-like ectal lobe .... Chelypus lennoxae Southern Moleroman (n Cape (Upington ) & Nam)
   2'Metatarsus of leg IV without such a lobe, this segment hardly wider than adjacent segments ... goto 3

3. Lower jaw of chelicera with two rows of minute teeth forming serrated ridges .... Chelypus shortridgei Northern Moleroman (Ang (Kavango) & Nam)
   3'Lower jaw of chelicera with one row of two large and one to two small teeth and with a second, short, inner row of four small teeth confined to the distal end of the fang .... Chelypus barberi Kalahari Moleroman (n Cape, Nam, Bot, Ang, Zim & Zam )

4. Headplate (propeltidium) blackish in anterior half; postero-dorsal surface of chelicera sometimes with a well to ill-defined blackish marking; lower jaw with three distinct teeth; metatarsus of leg IV wider distally than proximally . .... Chelypus hirsti Common Moleroman (n Cape, Nam (Gobabis) & Bot)
   4' Headplate and postero-dorsal surface of chelicera entirely yellow; lower jaw without teeth but with two finely serrated keels; metatarsus of leg IV narrower distally than proximally . . . .... Chelypus lawrencei (== C. eberlanzi) Namib Moleroman (Nam (Luderitz))

& Distributions:
C. macroceras - Zam

Sources:
BH. Lamoral 1973 The Arachnid Fauna of the Kalahari Gemsbok National Park - A Revision of the Species of "Mole Solifuges" of the genus Chelypus, Purcell, 1901 Koedoe 16: 83-102 https://koedoe.co.za/index.php/koedoe/article/view/887/1019
Wiki: https://en.wikipedia.org/wiki/Chelypus

Posted on October 11, 2022 08:08 AM by tonyrebelo