.")!>(') FAMILY IV. SCOLYTID.i:. 



918 (9098). HYPOTHENEMTJS MILES Lee., 1878, 433. 



Very small, slender, cylindrical, blackish, shining, clothed with short, 

 stout, erect bristles; legs and antennae picecus. Prothorax a little longer 

 than wide, apex produced into an acute spine; disc with a few acute 

 reclinate granules in front, sparsely punctured behind. Elytra strongly 

 but not densely punctured, striae hardly to be traced. Length 0.8 mm. 



Tampa, Foricla, rare in dead pine leaves. Described as Cry pl- 

 ains, transferred to Hypotlicnanus by Hopkins, by whose key it 

 is the only species with apical margin armed with a single spine. 



919 (- -). HYPOTHENEMTJS HISPIDULUS Lee., 1868, 156. 



Moderately elongate. Black, ?cape and first joint of funicle of an- 

 tennae, tibiae and tarsi ferruginous. Head prominent, convex, finely 

 reticulate. Prothorax not longer than wide, convex, rough before the mid- 

 dle with acute reclinate tubercles, rugosely punctured behind; clothed 

 with short, stiff hairs, with six to eight small teeth on apical margin. 

 Elytra with approximate rows of quadrate punctures, intervals narrow 

 with rows of close-set, short, stiff, erect, gray bristles; posterior declivity 

 rounded, not at all flattened. Length 1 1.5 mm. 



Described from Louisiana. New Brunswick, N. J.. from 

 hickory, oak and sumac. Ranges from District of Columbia to 

 Florida and Louisiana. Resembles crHflitiift, but larger, with 

 head and prothorax dark piceous like the elytra. (LcCnntr.} 

 "Perhaps a form of cniclitus." (BJandford.) 



In connection with the numerous species Avhich follow, the 

 following passage from Technical Series No. 17, part 1, must be 

 borne in mind : "The designation of a species is arbitrary, and 

 with additional material and information is subject to revision." 



920 ( ). HYPOTHEXEMrs ATOMTJS Hopkins, 1915-a, 15. 



Uniform light brown. Pronotum with four closely placed marginal 

 teeth, the two middle ones longer. Front flat, opaque, without distinct 

 median longitudinal impression. Length, female, 0.9 mm.; male, 0.5 mm. 



Morgantown, W. Ya., in Sali.r nn/rti. decaying wood; Septem- 

 ber. TVestville, New Jersey, February, cut out of oak bark. 

 (Wenzel.) 



921 ( -). HYPOTHENEMUS TMPRESSIFROXS Hopkins, 1915-a, 15. 



Uniform brown. Pronotum With. four subequal marginal teeth. Front 

 with distinct median longitudinal impression. Length 1 mm. 



Morgantown, W. Va., in decayed wood of willow; January. 



922 ( -). HYPOTHENEMUS MARYLANDIC.E Hopkins, 1915-a, 15. 



Elytra black, shining; pronotum reddish, opaque, with four marginal 

 teeth, the two middle ones more prominent. Length 0.75 mm. 



