.NO. KJio. NORTH AMERICAN TJIYSANOJ'TERA—HINBS. 193 



I . . . . 



I eontiguoiLs with lig-ht j^cllowish margins around eyes, color reddish 

 yellow. Anteiime more than twice as long as the head; length and 

 breadth of segments increase gradualh' from l)asc to middle, then 

 decrease to tip of antenna; relative lengths of segments as follows: 



Color dark ))r()wn; ])ases of three to five yellowish; spines of 

 medium length, ])ut not very cons})icu<)Us; sense cones al)out one- 

 third of the length of the segment ))eariiig them. 



l*r()th(>ra.\ about ti\'e-sixths as long as head, -and nearly twice as 

 l)road as long, broadly rounded at hind edge; spines upon fore edge 

 much smaller and Aveaker than the mid-lateral and those on hind edge; 

 all these s[)ines are acute. Mesothorax about one and one-half times 

 as wide as prothorax, uniting closely and evenly with metathorax so 

 that sides of pterothorax are nearly straight. Wings present, long and 

 powerful; fringes long, double for from nine to eleven hairs in hind 

 fringe of fore wing near tip. Legs of medium size and length; fore 

 femora a little thickened and tarsi armed with a very tiny tooth; mid- 

 dle legs much the smallest. All femora chestnut brown; tibiae at base 

 brown, fading to yellowish at tips; fore tibite lightest; tarsi yellow. 

 Fore coxie project a little beyond sides of prothorax and each bears 

 one long spine; each femur ])ears one long slender spine on under 

 side near base; three or four long slender spines stand around tips of 

 middle and hind tibiie. 



Abdomen large and heavy, somewhat broader than thorax, slightly 

 more than twice as Ijroad as head; segments overUipping about one- 

 third; sides nearly parallel up to eighth segment, then tapering very 

 abruptly. Tube slender in middle, about one-eighth the breadth of 

 the abdomen, fully as long as the head, tapering l)ut slightly; ter- 

 minal circlet of spines shorter than tube; spines on abdomen light 

 colored. 



Color of whole l)ody generally yellowish brown, lightest along mid- 

 dle of back of thorax and abdomen; abdomen darkest where segments 

 overlap; thorax and abdomen shov/ some irregular dark red hypo- 

 dermal pigmentation. All spines acute. 



Descrilied from one female taken under cpiince bark in early spring, 

 together with many bright-red larvte around it. 



Male unknown. 



Food plant. — Taken under quince bark. 



ITahhaf. — Amherst, Massachusetts. 



1 take pleasure in naming this species for Miss Alice M, Beach in 

 recognition of her work upon the Thripidte of Iowa. 

 Froc. N. M. vol. xxvi— 02- — 13 



