AMERICAN HYMEN OPT ERA. 325 



about half as long as width of joints, shorter toward the tip; apical 

 joint blunt, without process, as long as the preceding; nasus scarcely 

 emarginatc ; third joint of maxillary palpi a little longer than fourth ; 

 the three final joints longer and more slender than those of L. Ahhotii ; 

 punctures coarse, separated ; claws with a rather obtuse inner tooth; 

 color of antenna) ferruginous-blackish; color of body ferruginous; 

 sutures of face, thorax and abdomen, most of metathorax and part of 

 third and fourth segments of tergum blackish ; pleura dark brown ; 

 wings slightly clouded ; lanceolate cell with straight cross-line. 



New Jersey. (J. Akhurst.) One 9 . 



It is possible that a further comparison of species may prove this to 

 be the L. p!nus-ri(jida. 



8. L. abietis. 



Lophi/rus abictis, Harris, Inj. Ins, 1841, 2nd Ed. 1852. 411. 

 Fitch, Nox. Ins. iv, 63, 283. 



Color of female mostly testaceous ; of male black, legs testaceous ; wings hy- 

 aline. Length 9 0.28. Br. wings 0.56 inch. Length -^ 0.24. Br. wings 0.48 in. 



9 . Color yellowish-brown. Antennae black, base of third joint pale, 

 18-jointed, thickest in middle, serration distinct, that of third joint as 

 deep as those succeeding; head of one color; a stripe on each side lobe 

 of mesothorax and the sutures, metallic black ; body and legs beneath 

 paler than above ; hinder spurs as usual ; claws with a short inner tooth 

 near the tip; wings hyaline, nervures blackish, stigma and costa yel- 

 lowish. 



The male has the antennae 21-jointed, short, rays longest in middle 

 (fifth to ninth joints), each covered with short, strong hair; those on 

 basal joints double and long; head and thorax black; tergum dark pi- 

 ceous ; pleura and breast black ; venter reddish brown ; legs reddish 

 yellow, darkest at base ; wings hyaline, iridescent, apical half of under 

 wings clouded. 



Massachusetts, Connecticut. 



The larva, feeds on the fir leaves. It is 22-footed ; is five to six 

 tenths of an inch long, thickest before the middle, tapering behind ; 

 the head and three anterior pair of legs are black; body pale green, 

 vellowish beneath ; a wide dark green stripe down the back, separated 

 by a paler stripe and two dark green stripes on each side; hinder legs 

 yellowish. It is social in its habits and feeds in companies until ful- 

 ly grown, It appears in June and July. The cocoons are oblong 

 oval, rounded at ends, of a tough silk, whitish when new. Length 0.35 

 inch. They are generally made in iVugust. They are formed on the 

 loaves of the trees on which it feeds and often adhere to them until 



