TKII5K I. CHYPHAL1XI. 5JK> 



ee. Funicle 4-jointed. III. HYPOTHENEMUS. 



eee. Funicle 5-jointed. IV. STEPHANODERKS. 



cc. Elytral stria> and strial punctures usually obscure. 

 /. Pronotum with basal but without lateral margins. 

 g. Eyes simple; antennal funicle 4-jointed. 

 h. Antennal club with sutures and septa. 



V. EKNOPORIDKS. 



////. Antennal club with sutures but without septa. 



VI. ERNOPORTS. 



gg. Eyes short, oval, narrowly emarginate; antennal funicle 5- 



jointed; club elongate. VII. TRYPOPHLCEUS. 



//. Pronotum with basal and lateral margins. VIII. CRYPHALUS. 



bl). Elytra without scales; pronotum with apical margin unarmed, 



without basal margin, its sides rounded. 

 i. Funicle 5-jointed. IX. XYLOCLEPTES. 



ii. Funicle 4-jointed. X. LYMANTOIJ. 



act. Antennal club thickened at base, its anterior face obliquely truncate; 

 funicle 5-jointed; pronotum with rugosities, not strongly produced 

 over the head. 



Base of pronotum margined. XL COCCOTRYPES. 



Base of pronotum not margined. 



k. Lateral margin of pronotum acute from posterior angles toward 

 middle. XII. SPERMATOPLEX. 



kk. Lateral margin of pronotum obtuse or subacute toward base. 

 7. Pronotum with sides more or less rounded, with basal angles 

 rounded, apex without teeth. XIII. DRYOCCETES. 



//. Pronotum with sides usually straight, with basal angles acute 



to slightly rounded, apex with or without teeth. 

 ). Antennal club with sutures on posterior face. 



XIV. AMBROSIODMUS. 



Antennal club without sutures on posterior face. 

 Anterior margin of pronotum without apical serrations. 



XV. XYLEBORUS. 



n. Anterior margin of pronotum with apical serrations; body 

 stouter. XVI. ANISANDBUS. 



I. ros.MoDERES Eichhoff, 1878. (Gr., "ornament" + "neck.") 



Funicle 3-jointed, joint 3 narrow and obscure (overlooked by 

 Eichhoff, who says 2-jointed), joint 1 very large, more than twice 

 as long as the oilier two; club compressed, oval, three obscure 

 sutures on anterior and posterior faces. 



915 ( -). COSMODERES sciiwARzi Hopkins, 1915-a, 11. 



Slender. Black, elytra subopaque. Pronotum with four marginal 

 teeth. Front finely rugose; mandibles very long. Elytral striae and in- 

 tervals rugose. Length 1 mm. 



Haw ("reek, Florida. (8c1uc<trz.) 



