DIE SCOLYTIDEN HOKKAIDOS. 
1 77 
Gruppe IV. Ipini. 
1. Cryphalus 
piccae Ratz. 
laricis Niis. 
exignus Blandf. 
mains Niis. 
Rhnsii Niis. 
2. Pityo genus 
chalcographies L. 
3. lps 
japoniens Niis. 
acuminaties Gy 11 . 
proximus Eichh. 
laricis Fabr. 
curvidens Germ. 
4. Driocoetcs 
autographies Ratz. 
pint Niis. 
5. Xyleborus 
imetilaties Blandf. 
ebriosus Niis. 
apicalis Blandf. 
ishidai Niis. 
atraties Eichh. 
germanies Blandf. 
validies Eichh. 
praevius Blandf. 
seriatus Blandf. 
laeties Niis. 
saxeseni Ratz. 
alni Niis. 
septenirionalis\ Niis. 
cames Niis. 
schaufussi Blandf. 
defensies Blandf. 
6. Xyloteries 
quercies Eich. var. niponi- 
cum Bl. 
proximus Niis. 
lineatus Oliv. 
pubipennis Blandf. 
Gruppe V. 
Scolytoplatypini. 
1. Scolytoplatypies 
mikado Blandf. 
daimio Blandf. 
shogien Blandf. 
tycon Blandf. 
Gruppe VI. Platypini. 
1 . Crossotarsus 
niponicus Blandf. 
2. Platypus 
severini Blandf. 
