8o NEW YORK STATE MUSEUM 
b Head suboblong and prominent; pronotum nearly equably punctured, 
not more strongly roughened in front; tarsi with the 4th segment 
much smaller than the 3d, which is usually dilated and heartshaped 
or bilobed [pl. 7, fig. 20, pl. 8, fig. 21; pl. 0, fig. 25; pl. 10, fig. 26; 
platy fies, 415 925530; B74 23 Sate doers ee ce Hylesininae 
bb Head globose, not visible from above, deeply immersed in the pro- 
notum, which is prolonged and usually strongly roughened with 
stout, backward pointing spines in front, and smooth or punctured 
behind; 3d tarsal segment simple, 4th segment distinct [pl. 4, fig. 6, 
Divs chips © 1O-T2 spl. a7) tie 10! ee ee eee eee ee Ipinae (Tomicini) 
Genera of the Eccoptogasterinae 
a Foretibiae with the outer apical angle produced into a curved spine, 
outer border unarmed 
b Venter of abdomen with the caudal portion bent abruptly dorsad 
oles ye Sikes oll hae Cage ereciae Eccoptogaster Herbst. (Scolytus Geoff.) 
bb Venter of abdomen regularly curved, nearly horizontal. .Loganius Chap. 
aa Foretibiae with the outer apical angle produced into a bifid spine, outer 
border near the base of the spine armed with a small tooth 
b “ Prothorax with a defined side margin.”.......... Bothrosternus Eich. 
bb “ Prothorax with no defined side margin, but usually with a fold above 
the femoral impression 
c “Sutures of the club curved; rostrum narrower than the front; body 
(Ohif7 | Scat en rE are A tae SAG Whine he abi HOO 5 Pagiocerus Eich. 
cc “Sutures of the club straight; rostrum scarcely narrower than the 
LRONt DO dye OblOngeamn Cblandtond)) eee eerie Cnesinus Lec. 
The subfamily Erineophilinae contains one genus, Erineophilus Hopk. 
Genera of the Hylesininae 
a Antennal funicle with less than 4 segments 
b Antennal funicle with 2 segments; club not distinctly annulated........ 
Crypturgus Erich. 
bb Antennal funicle with 3 segments; club annulated..... Dolurgus Eich. 
aa Antennal funicle with more than 4 segments 
b Antennal club not annulated, pubescent on both sides [pl. 9, fig. 24] 
Cobyesncompletelyadivi dedhen eter ene teeter Polygraphus Erich. 
GEGuEyes not divided iplastomnic #20 =e enn see nian Chramesus Lec. 
bb Antennal club annulated [pl. 9, fig. 27; pl. 10, fig. 28-30] 
c Antennal club lamellate, of 3 loosely adjoined segments [pl. to, fig. 
BOF op Kas iss Saou Goa Oe oie eles een A ae Phloeotribus Latr. 
cc Antennal club not lamellate, segments closely connate [pl. 9, fig. 27; 
pl. Io, fig. 28, 29] 
“d Antennal club strongly compressed 
e Antennal funicle with 7 segments..............: Hylesinus Fabr. 
ee Antennal funicle with 5 segments 
f Front coxae not contiguous 
g Antennal funicle with outer segments distinctly broader; 
coxae moderately, distant ipl; one 27 een Gee ees 
Phloeosinus Chap. 
