June-Oct., 1921 Bulletin of the Brooklyn Entomological Society 85 



Prothoras much shorter than width of head, three times as 

 wide as long; no prominent median groove; surface faintly 

 reticulated ; one of the two bristles at each posterior angle 

 longer than the prothorax, curved ; two pairs along the poste- 

 rior border, the outer but little shorter than those at the 

 angles, the median much shorter; a short, curved bristle at 

 each anterior angle, and two pairs along the anterior margin 

 of which the inner are longer. 



Pterothorax considerably wider than the prothorax, sub- 

 rectangular ; sides slightly convex and converging posteriorly ; 

 destitute of long bristles ; legs rather long and slender ; mostly 

 concolorous with the head, the extreme bases of the femora, 

 the inner side of the apices of the femora, and the tarsi a 

 little lighter brown; fore femora not at all thickened; fore 

 tarsi with a very small, acute, forward-directed tooth on the 

 inner side at the tip ; wings short, generally reaching only to 

 the fifth or sixth abdominal segment, but the colorless mem- 

 brane is broad, on the fore pair the colorless median vein 

 reaches about to the middle, fringing hairs long, on the fore 

 wing double for about 34 (26 to 36) hairs. 



Abdomen about as wide as pterothorax, long and slender, 

 sides nearly parallel to 5th or 6th segment and then rather 

 abruptly contracted ; anterior segments destitute of conspicu- 

 ous bristles but the posterior bearing progressively longer 

 ones, those on segment 9% as long as the tube ; tube long and 

 slender, sides almost parallel for three-fourths of its length 

 and then abruptly converging ; terminal bristles less than half 

 as long as the tube. 



Male unknown. 



Described from four females collected from old burrows of a 

 cerambycid in a twig of basswood at Syracuse, N. Y., October, 

 1920, by Prof. Carl J. Drake, and a single female collected at 

 Sherbon, Mass., May 10, 1919, by Mr. C. A. Frost. Type in the 

 author's collection ; paratypes in the collections of the N. Y. State 

 College of Forestry and of the Brooklyn Entomological Society. 



Close to T. armatus, but differing in the shape of the head, 

 shorter prothorax, color of the antennae and numerous minor 

 characters. 



In addition to the new species described above, the following 

 establish apparently new locality records : 



Aeolothrips fasciatus L. Cranberry Lake, N. Y., June 5, 1920. 

 C. J. Drake, Coll. 



