54 



a gallery 2 or 2£ inches in length, and with a diameter two or three 

 times in excess of its own. The upper part of this tube would be 

 exceedingly diaphanous, but as it descended more and more of the brass 

 was intermingled until at the base it became quite compact. During 

 the day the larva rested quietly in this retreat, but at night it emerged 

 and fed upon the freshest of the contiguous blades. So far as I could 

 ascertain it seldom or never cut through the stalk or bored up or down 

 through the heart of the plant. 



The larvae seemed to attain maturity from the middle to the last of 

 September, after which they rested quietly for some time in their gal- 

 leries, without inclosing themselves in more protective cocoons. 



Being absent from home for four or five weeks, from early in October 

 until the middle of November, my jars were overlooked in the water- 

 ing process, and upon my return I found all the larva? dead and dry. 

 As the species was known to me, however, this was not so unfortunate 

 as it might have been. 



In the jar containing specimens collected at various ages from the 

 lawn were the remains of two or three hymenopterous parasites and four 

 cocoons of the characteristic form, color, and structure of Meteorus, 

 closely resembling those of M. hyphantrice. 



I append more particular description of egg and larva. 



Egg. — Obconical 0.5'" long, beautifully sculptured under the lens, with longitu- 

 dinal ridges and liner cross lines, giving it a checkered appearance. Color, bright 

 salmon pink. 



Larva. — At first of a dingy cream white, minutely speckled with brown, with 

 brown head. 



At maturity 15 mm in length, by 2 mm in diameter, subcylindrical, slightly larger 

 across thoracic segments. 



Color dingy yellowish or greenish white, with dull green medio-dorsal 

 stripe. The surface is much roughened with impressed lines, with 

 conspicuous, raised corneous, fuscous plates, from each of which arises 

 a long, coarse, tapering, golden-yellow hair. Ilead with protruding 

 lobes and rugose surface, and of a dull whity brown color. Cervical 

 shield inconspicuous, darker than the head. 



Pupa not yet observed. 



The moth is well known as one of the least conspicuous of the group 

 of beautiful species to which it belongs. It expands about three-fourths 

 inch, with a brownish- whitebody and hind-wings. Fore-wings grayish- 

 white, streaked with pale brown, with two silvery gray shaded wavy 

 lines crossing the outer third; just back of the fringes, which have a 

 golden, metallic luster, is a row of seven small but distinct black dots. 



Lasioptera sp? in Twigs of Honey Locust. 



The work of the above Cecidomyiid was first noticed in the summer of 

 1891 on the shoots and new growth of the Honey Locust, a shade tree 

 of considerable value with us, and during the past season it became 

 more and more injurious and conspicuous. The irritation of the plant 



