84 RHYNCHOPHORA. 
Z z Z 
G G s bohoig eee oo 3 = 3 a g Characters 
roup. enus. ond authority. 3 E § £ £ FE of other organs. 
3 < cS 
(SCOLYTOPLATY- 
PODIDES (1)] ..| [Scolytoplatypus] | 2. Blandf....... 3 3 3 
SCOLYTIDES..... Scolytus (2) 3. Hopk.......) 6 Abdomen: ¢. 
4. Blandf. 
Camptocerus ....| 2. Blandf. 3 3 
Bothrosternus 1. Blandf. 3 
Pagiocerus...... 1. Blandf. 3 
Tibia fringed: <¢. 
HYLESINIDES ....| Hylastes(2) ....| 1. Hopk....... 3 . Slight abdominal 
Several. Hichh. impression: ¢. 
[Myelophilus(2)] | 1. .....--..5-- . 3 
Dendroctonus 2. Hopk....... 3 (3) 
Hylesinus ...... 1. Hopk....... 3 
Phlcosinus 1. Hopk....... 3 
Blandf. 
Phleotribus . 1. Hopk....... 3 
Chramesus ...... 1. Hopk....... 3 
HEXACOLIDES ....| Prionoscelis 1. Blandf. 3 
Hexacolus ...... 1. Blandf. 3 3 
TOMICIDES ..... Tomicus........ 4, Hopk....... 3 3 
Several. Hichh.(4). 
Xylocleptes 1. Eichh....... . 3 
[Pityogenes] ....| 2. Lindem. ....| @ 3 
2. Hichh. (4). 
1. Hopk. 
Dryocetes ...... 2. Hopk....... Q 
[Taphrorychus]..| 2. Eichh. (4) g 3 
Pityophthorus Europ. spp. 
Hichh.(4) ....| @ 3 
[confinis |, Hopk. Q 
[minutissiemus |, 
Hopk. ...... 3 
