ENTOMOLOGISCHE BERICHTEN. 
233 
Chaetodactylus Rondani 1866 (= Trichotarsus 
CAN. 1888, teste Berlese in Re dia, v. 13, 
p. 188, 1918). 
!! Here the genus Cerophagus OUDMS. 1902, 
based on hypopi. 
A. 1. Ambulacra with almost obsolete distal claw; without 
propodosomatic shield; Ç with copulation tube and 
genital suckers. Hypopi with sharp margins. 
B. 1. With line of demarcation between propodo and 
hysterosoma. 
C. 1. Line of demarcation on the usual place. 
Ctenoglyphns Berl. 1884. 
C. 2. Line of demarcation far forward; propo- 
dosoma small. Labidophorus KRAMER 1877. 
B. 2 Without line of demarcation; 
C. 1. Epimera I free; copulation tube inconspi¬ 
cuous, dorsal. Dermacarus Haller 1878. 
C. 2 Epimera 1 joined ; copulation tube conspi¬ 
cuous, marginal, Glycyphagus HERING 1838. 
Fam. Canestriniidae Berl. 1884. 
A. 1. With propodosomatic shield; without line of demar¬ 
cation between propodo- and hysterosoma; gnathosoma 
plainly visible, almost marginal. 
B. 1. Idiosoma almost pentagonal, with parallel sides, 
posteriorly straight; propodosoma short, with 
transverse row of 4 hairs, the inner pair short; 
hysterosoma with 4 transverse rows of 4 hairs 
each; legs III and IV longer and slenderer than I 
and 11 ; coxae contiguous; $ genital opening far 
forward ; d* ditto far backward ; no anal suckers. 
Rosensteinia Oudms. 1923. 
B. 2. Idiosoma tapering backwards, posteriorly with 
long conical process. 
C. 1. Propodosoma with transverse row of 
4 hairs; hysterosoma with 4 ditto of 4 hairs 
each ; legs long, of about equal strength, 
legs III and IV as long as idiosoma; 
epimera I joined to sternum. Megacanes- 
trinia TRäG^RDH 1906. 
