598 FAMILY IV. SCOLYTIDJE. 



ruficollis used for this species in Smith's List was never pub- 

 lished. 



929 ( ). HYPOTHENEMTJS THORACICUS sp. nov. 



Length, female type, 1.3 mm, elytra dull brown, pronotal rugosities 

 sparse, anterior area brown with six marginal teeth, the four apical ones 

 much longer and more prominent, the sides more distinctly narrowed 

 from base to apex than in other species; otherwise it comes near Hypoth- 

 enemus hamamelidis Hopkins. 



Clark Co., Ind., May 69; W. S. Blatchley, collector. Type, 

 Cat. No. 7487, U. S. National Museum. (Described by A. D. H.} 



930 ( -). HYPOTHENEMUS RUFOPALLIATUS Hopkins, 1915-a, 18. 



Elytra brown; pronotum reddish-brown, rugose area to margin light 

 reddish, margin with four equal and two small teeth. Front impressed, 

 shining, with posterior median triangular elevation. Length, female, 

 1.15 mm. 



Charleston, S. C., in dead twigs of Ficus sp. ; July. 



931 ( -). HYPOTHENEMUS PUNCTTFRONS Hopkins, 1915-a, 18. 



Shining, prothorax and head dark reddish, elytra black; legs, an- 

 tennae and elytral scales yellowish. Pronotum with six marginal teeth, 

 four small, two very small. Elytral striae faintly impressed and faintly 

 scabrous; intervals broader than usual, with rows of faint granules. Front 

 convex, subopaque, distinctly but finely punctured, with small, median, ob- 

 tuse elevation. Length, female, 1.1 mm. 



Lakeland. Fla., in Qucrcitx sp., dead bark on twigs; April. This 

 species is apparently the nearest approach in our fauna to cnnli- 

 tus Westwood. I sensu Hopkins.} 



932 (- -). HYPOTIIEXEMUS XIGRIPEXNIS Hopkins, 1915-a, 19. 



Elytra black, subopaque; pronotum dark brown, opaque, dorsal rugose 

 space faintly reddish; anterior margin with four small equal teeth; front 

 subopaque, with anterior median line punctured. Elytral strife faintly 

 impressed, punctures moderately coarse. Length, female, 1.15 mm. 



Tallulah. Louisiana, in dead bark of Ficus sp. ; February. 



933 (- -). HYPOTIIEXEMTS r: IJKSCEXS Hopkins, 1915-a, 19. 



Elytra light brown; pronotum light reddish-brown, anterior margin 

 with four teeth, median ones coarser and closely placed. Front convex, 

 alutaceous and with median line. Elytra with strife not impressed, punc- 

 tures fine; interspacial scales yellowish and closely placed, mixed with 

 dense, fine hairs on declivity. Length, female, 1.15 mm. 



Key West. Fla. ; April. 



ffi/}><>nit nc-niis erectus and tliNxi mi!/* of Smith's List will be found in 

 Stephanoderes ; II. ruficollis Hop. (Smith, List of Ins. of N. J. > is H. 

 Hop. (per letter from Dr. Honkii 



