ENTOMOLOGISCHE BERICHTEN. 
with line of demarcation between propodo- 
and hysterosoma; with propodosomatic 
shield (if not visible, use 1% caustic kali); 
$ genital aperture between coxae HI and IV. 
D. 1. The longer body-hairs are loose, 
whip-shaped. 
E. 1. cT with suckers near anus and 
on tarsi IV. Larvae with „Brust¬ 
stiele”. 
F. 1. Nuchal hairs dorsal, on 
the level of trochanteres I, 
minute, smooth, or absent. 
Skin polished. 
O. 1. Legs without or with 
spines; if present (pay 
attention to underside 
of tarsi !) they may 
be long, but are never 
robust; before the 
olfactoric club on 
tarsi 1 and II no 
spine. Tyroglyphidae 
DONN. 1868. 
G. 2. Legs short and thick, 
with robust spines; 
before the olfactoric 
club on tarsi I and II 
such a spine. Rhizo- 
glyphidae OUDMS. 
1923. 
F. 2. Nuchal hairs marginal on 
alevelbefore trochanteres I; 
skin polished or granula¬ 
ted; moreover as G. I. 
above. Tyrophagidae nov. 
fam. 
E. 2. (f without suckers near anus, 
nor on tarsi IV ; Larvae without 
