[August 1884. . BULLETIN BROOKLYN ENTOM. SOC. VOL. VIL. 61 
II. Base of Antennz partly enveloped by the eyes; front coxze not conical, though 
sometimes prominent; stridulating plate (absent only in Molorchus) large, 
never divided; ligula membraneous (except in the group Oemes); 2nd joint 
of Antennze small (except in one genus of Clytini.). ...... Cerambycoides, 
If. Base of Antenne partly enveloped by the eyes, which are nearly divided, and 
moderately finely granulated; 2nd joint of antennze longer than usual, front 
coxze globose, widely separated, stridulating plate of mesosternum divided by 
a small furrow. (Body resembling a Lamiide.)............... Atmioides. 
IV. Base of Antennze not enveloped by the eyes, which are entire or emarginate, and 
usually finely granulated; front coxze conical (except in Distentini); stridula- 
ting plate of mesonotum divided by a smooth space or furrow. Lepturoides. 
CALLIDIOIDES. 
iemleiculaycomneouspeyes vanlables s(Asemijieeeneine i ieleie es aa cie cette eeeie = rie 5. 
Ligula membraneous, eyes finely granulated. (Callidiini.)...........-. ......- Tes 
2. Epimera of mesothorax normal, truncate at immer end.............---+: eerie 
Epimera of mesothorax acutely pointed inwardly..............--.-----++-:- 6. 
Bp baccom prothoray normale. cf. ).15 5, «ss eee es « sialeiee cies sini iste Ravens oh 
Base of prothorax emarginate, filled with a thin plate....... ............. 5. 
4. Hyes moderate, transverse, finely granulated, hairy. 
Amiens Tinielhy DUES saga eo eee obocoocohoadopounanaMabonoes Asemum. 
Ammuentiee) Coarse ys pubesceMt.. t.)..<. . . SMM eereyainis 2.2 Sirs oie eocieve ens Nothorhina. 
Byeswagen coarsely, oranulated, not halnymeinees: Acie. ae ee 4 2f5- Criocephalus. 
Ewes Chivneleal, weallacre thinslyy eimimuleeGl e355 coobaosuuaoodoeseceuue Tetropium. 
5. Thighs clavate, prothorax with a single lateral acute spine.. .......... Opsimus. 
_ Thighs not clavate, prothorax with two acute spines................ Dicenthrus. 
6. Middle coxal cavities widely open externally,................ .. S§modicum. 
7, Mesonotum with a large, undivided very finely striate stridulating surface...... 8. 
Mesonotum polished, with large scattered punctures...............-..+-+---- 9, 
Mesonotum punctured and pubescent at the sides, with a medial stridulating 
FLMACO, BAS Bb SS oO I ic CS SOS eer IERIE TBO MAD Ren 10. 
8. Hind coxze not prominent, thighs slender............. et 2 a ee Gonocallus. 
Hind coxze prominent, thighs clubbed. 
Metasternum with scent pores. 
Elgtcaswithiavanyslinest(.:5_., .j. GaP ees ga acai. Physocnemum. 
Re bytrer union ie we, eee as . 's<< 9,» « See: SSI Se eee Ee Rhopalopus, 
Hind coxze not prominent, thighs clubbed; metasternum without scent pores. 
Prosternum broad or moderate, hind coxee inclosed by side pieces and Ist ventral 
SYNE Me os SOU Hees POPES BS ccc & tack Wage ae ea Hylotrupes. 
Prosternum very narrow, pointed, hind coxee not inclosed; prothorax rounded. 
Phymatodes. 
Gap Vesostenimmp road emianonm ate. as.) ay emnsenens eisieyaiale ete) sraiers o Sceyveayale Merium. 
)) Mesosternumiobtusely triangular... 290. ....... tet oe Nee Callidium. 
to, More convex than usual, antennze shorter and stouter.......... boven Xylocrius. 
