Hood — New Genera and Species of X. A. Thysanoptera. 69 



Mexico, June 30, 1908, C. A. I Fart ; Brownsville, Texas, June 25 and 29, 

 July 2 and 9, 1908, November 20, 1911, C. A. II. ; Grand Tower, Illinois, 

 July,C. A. II. and J. D. II.; Cobden, Illinois, June 27, 1909, C. A. II. 



Type locality. — Brownsville, Texas. 



The short winged form may easily be recognized, for the transverse 

 hand is visihle to the naked eye. It occurred commonly in sweepings. 



Suborder TUBULIFERA Halidav. 



Family PHLCEOTHRIPID.E Uzel. 



Genus IIaplotiirips Amyot et Serville, 1K4.°>. 



Haplothrips graminis sp. nov. 



Fig. 3. 



Female. — Length about 1.5 mm. Color dark blackish brown to almost 

 black, with a reddish east due. to the presence of maroon hypodermal 

 pigmentation ; fore tarsi, apical portion of fore tibiae, and bases of inter- 

 mediate antennal segments, yellow or yellowish. 



Head somewhat longer than wide, broadest at middle; cheeks gently 

 rounded, usually very slightly convergent posteriorly; vertex rounded, 

 slightly produced, the anterior ocellus 

 slightly overhanging; dorsal and lateral 

 surfaces set with several short inconspicu- 

 ous spines; pos-tocular bristles rather 

 short, pointed, less than one-third as long 

 as head. Eyes slightly more than one- 

 third as long as head, not protruding. 

 Ocelli anterior ; posterior ocelli opposite 

 anterior third of eyes. Antennae about 

 one and one-half times as long as head, 

 moderately stout; segments 1 and 2 dark 

 hlackish brown, the latter paler toward 

 apex and at middle; 3 yellow, shaded 

 laterally with brown; 4-8 successively 

 darker in color, ranging gradually from 

 brownish yellow to blackish brown ; seg- 

 ment 3 subcorneal, swollen, very slightly 

 narrower and shorter than segment 4 ; 

 4-i; suhglobose, pedicellate, the first as 

 broad as its length exclusive of pedicel; 

 7 oblong, pedicellate, truncate at apex, 



and broadly united to 8, which is subcorneal ; sense cones short, moder- 

 ately stout, those on segments 3 and 4 blunt; formula: 3, 0-1; 4, 2-2; 

 •">, 1-1 + '; 6, 1-1 ; 7 with one on dorsum near apex. .Mouth cone blunt, 

 about half as long as head, slightly surpassing middle of prosternum. 



1'rothorax a little more than two-thirds as long as head, and (including 

 coxae) about 1.8 times as wide as long, surface nearly smooth; anterior 

 marginal spines greatly reduced in size and scarcely visible ; others blunt. 



Fig. ;;. 



Haplothrips graminis sp. nov. 



Female, head and prothorax, x96. 



