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.) 



1/f). The Shank-banded Oscinis, (Oscinis tibialis. Fitch.) 

 1/6. The Yellow-hipped Oscinis (Oscinis coxendix. Fitch.) 

 1 77- The Thick-ley (jed Oscinis (Oscinis crassifemoris. 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 down 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, 



H 



