414 
ZOOLOGICAL LITERATURE. 
* Ligula narrow j labium narrowest at base, 
t First joint of labial palpi larger than second j club longer 
than funiculus. 
0. Labium broadly cordate, scarcely longer than broad. 
17. Dryoc(BteSf g. n. 
00. Labium triangular, nearly three times as long as broad . 
18. PityophthoruSy g. n. 
ft Second joint of labial palpi largest ; club shorter than 
funiculus 19. Thanmuryua, g. n. 
** Ligula almost broader than labium ; labium narrowest in 
the middle 20. Bostrichus (Fab.). 
B. Maxillary lobes linearly elongate, truncate in front j maxillary palpi 
geniculate j labrum distinct ; first tarsal joint longer than tibia. 
21. Platypus (Herbst). 
Fairmaire (Genera Col. Europe) divides this family [Scoly- 
tides, Fairm.) into foui’ groups, viz. Hylesinites, Scolytides, Bos- 
trichites, and Platypites. 
His classification is identical with that proposed by Eichhoff, 
except that he places Polygraphus in the first group, notwith- 
standing its simple third tarsal joint. In a note Fairmaire 
refers to Eichhoff^s memoir, cites his new genera, and confirms 
his statement that the maxillary palpi in these insects consists 
only of three joints, except, perhaps, in Platypus. 
Eichhoff states that Bostrichus coryli (Perr.) belongs to Dryocostes and 
not to Thatnnurgus. Berl. ent. Zeits. 1864, p. 401. 
Wahnschafte describes the habits of Bostrichus hispinus (Ratzeb.). Berl. 
ent. Zeits. 1864, p. 396. 
Hylastes tenehrosus (Sahib.) is probably identical with H. cunicularius 
(Erichs.), and Dendroctonus juniperi (Nordl. Dobner) with llylesinus thuyce 
(Perris). Kraatz, Berl. ent. Zeitschr. 1864, p. 140. 
The following known species are figured by Fairmaire, Genera des Colt^o- 
ptferes d’Europe : Ilylastcr (Payk.), pi. 31. fig. 148 j Hylurgus pini- 
perda (Fab.), fig. 149 j Dendrcctonus micans (Kug.), fig. 160 ; llylesinus cre- 
natus (Fab.), fig. 161; H. oleiperda (Fab.), fig. 162; Phlccophthorus tarsalis 
Forst.), pi. 32. fig. 163; Phloeotribus olcce (Fab.), fig. 164; Polygraphus puhes- 
cens (Fab.), fig. 155; Scolytus destructor (Oliv.), figs. 166 & 157; Q’ypturgus 
lichtensteinii (Ratz.), pi. 33. fig. 168 ; Cryphalus fayi (Ratz.), fig. 169 ; Trypo- 
phlcBus (g. n.) binodulus (Ratz.), fig. 160 ; Xyloterus do?nesticus (Linn.), 
fig. 162 ; Hypoborus Jicus (Erichs.), pi. 34. fig. 163 ; Bostrichus eurygraphus 
(Erichs.), fig. 164; B. dispar (Fab.), figs. 166 & 166; and Platypus oxyurus 
(Duf.), fig. 167. 
New genera : — 
Eichhoff (Berl. entom. Zeitschr. 1864) characterizes the 
following new genera of this family : — 
Blastophagus, Eichh. 1. c. p. 25, taf. 1. fig. 4. Allied to Hylurgus; third 
tarsal joint bilobed ; funiculus 6-jointed, joints nearly equal in width towards 
the club, club oblong-ovate, annulate; fulcrum of ligula oval. Sp. B, pini- 
pcrda (Linn.) ; B. minor (Hart.) ; and probably B. hederce (Schmidt). 
