THE WHEAT-STEM FLY, ETC. 105 



the top of the head two pairs of bristles incline forward, and two 

 backward. 



174. The Feather-horned Chlorops, (Chlorops antennalis. — 

 Fitch.) 



175. The Shank-handed Oscinis, (Oscinis tibialis. — Fitch.) 



176. The Yellow-hipped Oscinis (Oscinis coxendix. — Fitch.) 



1 77 . The Thick-legged Oscinis (Oscinis ciassifemoris. — Fitch. ) 

 Several of the above species have been met with on wheat 



in the State of New York ; too little is known of them, however, 

 to make further remarks upon them necessary. 



The Deceiving Wheat Fly (Hymelyia deceptiva. — Fitch.) 



178. Very common in the latter part of June in Eastern New 

 York. A quarter of an inch in length from tip to tip of its 

 wings. Colour ash gray, legs, antennae and feelers black. A 

 row of brown black spots form an intercepted stripe do\ATi the 

 middle of its abdomen. A tawny yellow spot upon the front of 

 the thorax, passing into a black stripe upon the top of the head. 



179. The Similar Wheat Fly (Hymelyia similis. — Fitch.) 

 The Wheat Mow Fly (Agromyra tritici. — Fitch.) 



180. Showing its larvae in the form of myriads of pale mag- 

 gots crawling from the mow of wheat soon after it is placed in 

 the barn ; the kernels of the grain shrivelled and dwarfish. The 

 flies are like the common house fly, very much reduced in size. 

 Colour black, with a pale reddish yellow band upon the front, 

 above the base of the antennae, the mouth margined with dull 

 yellow. The legs brownish-black. The wings notched on their 

 outer margin near the base. 



The Wheat Thrips (Thrips tritici.— Fitch.) 



The Three-banded Thrips (Coleothrips trifascicata. — Fitch.) 



181. Found upon the heads and stalks of wheat in June and 

 July, exhausting the juices of the kernels and rendering them 

 dwarfish and shrivelled, exceedingly minute, long and narrow. 



