CLASS V. IJfSECTA. 
207 
Genus 223. MONOTOMA. Herbst, Leach. Ceryton. Latr. 
R'cfy elongate, linear: thorax quadrate, with the hinder margin 
distant from the base of the elytra : abdomen somewhat peduncu- 
lated. 
®P- 1. Mon. Jvglundis. 
Lyctus Juglandis. Fabr., Puijk., Panz. Corticaria taxicomis. Marsh. 
mhabits Europe, tinder the bark of the stumps of trees, particularly 
those in damp situations. 
Fam. XL. Mycetopiiagidie. Lcacli. 
T°dy ovoid or oblong; in some depressed, in others linear: palpi fili- 
form or bent at their extremities : antenna s eleven-jointed: mandibles 
little or not at all prominent. 
^tirps 1 . — Antennee gradually thickening towards their extremities. 
Tarsi with the first joint longer than the following one. 
Genus 224. MYCETOPHAGUS. Fair., Payk., Oliv., Pans., Latr., 
Leach. Tritoma. Geoff. Dermestes. Thunb. Silpiioides. 
Herbst. Bo let aria. Marsh. 
&ody oval : antenna with the last joint elongate, ovate : maxillary palpi 
Prominent. 
?P- 1. Myc. quadripustulatus. 
"tycetophagus quadripustulatus. Fabr., Latr., Panz., Payk. Boletaria 
quadripustulata. Marsh. 
tuhabitsyhngf. 
8t irps 2. — Antenna gradually thickening towards their extremities, or 
with a three-jointed club. 
a. Tarsi with the first joint longer than the second. Palpi very 
short, the maxillary ones but little or not at all prominent . Antenna 
as long as the thorax or less. 
Genus 225. LATRIDIUS. Herbst, Leach. Ips. Oliv. Corti- 
caria. Marsham. Dermestes. Fabr., Paykull. 
^ nt enna with the second joint larger than the third, 
r?' V _ Tat, porcatus. 
hrdius porcatus. Herbst, Leach. Latridius minutus. Latr. Der- 
I marginatus. Paykull. 
habits damp paper and old wood in houses. 
