TILLYARD.— Psocoptera, or Copeognatha, of New Zealand. 175 
DESCRIPTIONS OF THE GENERA AND SPECIES FOUND IN NEW ZEALAND. 
Family ATROPIDAE. 
( pi , infra). 
guished from the Troctidae by the fact that the meso- and meta-thorax 
remain as distinct, freely movable segments, not fused together, and the 
tarsal claws are never furnished with internal teeth. The two genera here 
recorded as having been introduced into New Zealand may be distinguished 
as follows :— 
Meso- and meta-thorax equally reduced to narrow rings, both smaller 
than prothorax; antennae with 15 to 17 joints; last joint of 
maxillary palp elongate-oval; eyes very prominent; forewings in 
the form of broad flaps, or sometimes absent ; abdomen broad and 
59 .. Lepinotus Heyd. 
well ro ss fs .. NES 
Metathorax longer and wider than both prothorax and mesothorax; 
antennae with 26 or more joints; last joint of maxillary palp 
hatchet-shaped; forewings 
in the form of somew at narrower 
ps; abdomen oval, much longer than wide .. Us 
.. Atropos Leach. 
Genus Атвороѕ Leach (= Clothilla Westwood). 
Characters as given in the key above. 
Genotype.—Atropos pulsatoria (Müller). 
Atropos pulsatoria (Miiller). Lesser death-watch; book-louse ; book-tick. 
(Text-fig. 3. 
Though common throughout New Zeal 
re 
yet been recorded as occurring : 
England during the early days of settlement this insect is fre- 
ith Troctes divi ] Linn.), the other common 
quently confused wit! 
book-tick, a figure о « 
in length. The head is large, with the ерїсгаша 
sutures well marked. The compound eyes are large, 
n 
i rked with regularly arranged brown spots, 
аи abdomen is much less hairy than in the next succeeding 
