CIO FAMILY IV. SCOLYTIDJE. 



rior face; eyes large, broad, scarcely emarginate ; anterior mat- 

 gin of pronotum smooth. 



970 (- -). SPERMATOPLEX EHIZOPHOE.E Hopkins, 1915-a, 48. 



Oblong, suboval. Dark reddish-brown. Pronotum darker, sides 

 rounded, anterior area with rugosities fine, even, and extending to lateral 

 margin, posterior dorsal and lateral areas shining, with rugosities finer 

 and sparser, extending to base, not punctured. Front narrow, slightly 

 produced, sparsely punctured and with median shining impression and 

 sparsely placed long hairs. Elytra with sides straight from base to mid- 

 dle, faintly rounded to apex, striae Impressed, punctures moderately 

 coarse; interspaces convex, with rows of faint, sparsely placed punctures; 

 declivity oblique, with interspace 1 slightly elevated, stria 1 rather deeply 

 impressed. Male with body oval, clothed with very long hairs; legs ex- 

 ceedingly long, anterior tibiae scarcely broader; head with front narrow, 

 convex, shining, nearly smooth; pronotum shining with rugosities absent 

 or obscure. Length, female. 2.85 mm.; male, 1.6 mm. 



Miami, Fla., in R1iizoi>li<'<i imunjlc ; November. 



XIII. DRYOCCETES Eichlioff, 1804. (Gr., "tree" + "cultivated." 

 Tarsi with first three joints almost equal, simple; club sub- 

 globose and subanuulate, obliquely truncate, with or without su- 

 tures on posterior face and with one or two procurved sutures 

 on anterior face; thorax less prolonged over the head than usual, 

 almost equally roughly punctate over entire disc ; anterior margin 

 smooth; elytra simply convex on declivity, except that the sutural 

 stria is usually impressed; tibia? strongly serrate; eyes oblong, 

 elliptical, emarginate. Female with front pubescent; male with 

 front broad, subglabrous. The species mine under green bark 

 of logs, stumps and dying trees, especially spruce, birch and 

 cherry. 



SYNOPSIS OF SPECIES OF DRYOCCETES. 



a. Antennal club with more or less distinct sutures on posterior face. 

 6. Pronotum with sides nearly straight, the basal angles not strongly 

 rounded; disc with posterior area distinctly punctured. 



971. CARYI. 

 bb. Pronotum with sides rounded, the basal angles strongly rounded, 



dorsal area not punctured. 



c. Elytral declivity with interspace 1 strongly elevated and stria 1 



deeply impressed. 972. GRAXICOLLIS. 



cc. Elytral declivity with interspace 1 slightly or not at all elevated, 



and stria 1 slightly or not at all impressed. 



'/. Pronotum with punctures of posterior dorsal area not extending 

 toward or to side margin; front of female with dense pubes- 

 cence. 

 e. Pronotal punctures limited to median dorsal area. 



973. RETUL.^. 

 ee. Pronotal punctures not limited to median dorsal area. 



974. LlytTIDAMBARIS. 



dd. Pronotum with punctures of posterior dorsal area extending 



