CT.ASS V. INSECTA. 
181 
Sp ' Pli pectinicomis. Body blackish : elytra obscure brown : an- 
tennas and feet reddish: thorax rough: elytra punctate. 
1 inus pectinicomis. Fabr ., Oliv., Latr., Leach. Ptinus pectinicomis, 
Etnn., Marsh. Dermcstes pectinicomis. Linn, 9 
n habits old trees and houses, perforating them to destruction. 
Oks — Ptinus sermtieomis, Marsham, is the female of this insect. 
' hups 2. — Antenna; terminated by three joints differing from the rest 
m size. 
Genus 127. ANOBIUM. fair., Oliv., Lamarck, Latr., Leach. 
a Ptinus. Linn., De Geer, Marsh. Baucuus. Geoff'. 
J ntenna eleven-jointed, with the three last joints abruptly thicker than 
the others; the ninth and tenth joints obconio; the tenth oval. 
* Elytra not striated. 
^P' 1. Anob. tessellation. Thorax bilobate behind, the lateral margins re- 
* exed : body fuscous, sprinkled with villose, obscure lutcous spots: 
'-'ytra not striated 
1 nb° v Um tesse " atu,n - Fair., Latr., Leach. Ptinus tessellatus. Marsh. 
a nts the wood of rotten trees, especially willows, during the winter 
months. 
S 
** Elytra striated. 
P- 3. Anob. striatum. Fuscous, with grayish down: thorax with agib- 
lous protuberance, unisulcale. above, with the angles compressed : 
hinder margins somewhat marginated : elytra longitudinally punctate, 
■'mobium striatum. Latr., Ol.v., Il/ig., Leach. Anobium pertinax. 
Fair., Payk. 
^habits rotten trees. 
Fam. XV. Dermestidje. Leach. 
Grp.MESTiNr. Latreille. 
■ nten ™ slender, longer than the head, and terminated by a Farce 
ov oid mass. 6 
C 
irps 1. Sternum not produced to the mouth, or over it like a neck- 
c ‘oth : tibia spinose. 
Genus 198. DERMESTES. Linn., Fair., Latr., Marsh., Herbst, 
, Oliv., Leach. 
' 'j enn<B w >th an ovate club, the last joint short, not (or but little) 
°nger than the preceding joint : body narrow oval : thorax with the 
^mder margin straight or obtusely lobed : palpi very short : inaxiL 
Sn ar y F a k>i shorter than the maxillw, or scarcely as long. 
P‘ 1. Der. lardarius. Black: base of the elytra with a cinereous band 
j-) V|t l black points. 
lardarius. Linn., Fabr. Latr., Marsh., Leach. 
a :>lts deca y fi d animal substances, paper, &c. is common in houses. 
