. The American entomologist. Entomology. 368 THE AMERICAN the club not quite as long as the two preceding joints put to- gether, anil when viewed in one direction much wider than they are. Thorax as in Figure 8 (7. Collar very short, trans- verse; parapsiilal grooves obsolete behind. Abdomen when viewed from above, cT oval or sometimes almost obovatc, Q ovate; when viewed in proBle, tf elongate-oval or almost linear, Q triangular with the apex of the triangle downwards. [Fig. 7.]. Semiotpllus rhaleidephagns n sr f (Fig 7 ai —Blue bla k Ik 1 o-l In Head hn ly and c nfl tly i n t 1 1 lilhdAt -El
. The American entomologist. Entomology. 368 THE AMERICAN the club not quite as long as the two preceding joints put to- gether, anil when viewed in one direction much wider than they are. Thorax as in Figure 8 (7. Collar very short, trans- verse; parapsiilal grooves obsolete behind. Abdomen when viewed from above, cT oval or sometimes almost obovatc, Q ovate; when viewed in proBle, tf elongate-oval or almost linear, Q triangular with the apex of the triangle downwards. [Fig. 7.]. Semiotpllus rhaleidephagns n sr f (Fig 7 ai —Blue bla k Ik 1 o-l In Head hn ly and c nfl tly i n t 1 1 lilhdAt -Ell fulk t n t tl b tl fla 11 m n t 1 1 t d tl 11 Ilk th th t I T 1 I t 1 I t tf 1 p 1 uf u th t 1 II II I 1 1 w th black on tl t 1 I I t da k sm ky cl 1 1 k 1 1 1 f mwh tl t II 1 1 fth an 1 a 1 1 i t tl h 1 1 fl n b n uhtltwdthba f th w L ngtl S 0 09—0 11 n h The <? (F 7 6) 1 II as f U f on the 0 It the antenna; aie longer, with the flagellai jomts pubescent and distinctly separated, joints 1 and 2 rufous, 3—9 dark brown; 2nd, the abdomen is subpetiolate, nan-ower, its tip acute, and with the penis often protruded, the coppery tinge stronger than in Q ; 3rd, the front wing has no dark smoky cloud. Length, (f — inch. Described Irom 18 c? 15 ? ; namely, 17 cC bred from last year's barley galls June 11th—•22nd, 1 cf sent to me by Mr. Fettit from Grimsby, C. W., 14 $ bred from last year's bar- ley galls June 14th—28th, and 1 Q cut out Sept. 10th from barley galls of the same year's growth. In but vei-y few other insects, as in this species, does one sex have a distinct dark cloud on the wing and the other sex none at all. But in a European May-fly, Potamanthus mar- ginatiiSf Zetterst., as I was iufoiTOed long ago by Dr. Hagen, the cf has a dark patch on the front wing and the female has perfectly hyaline wings. In Myodites Walshii, Lee—a beetle described from sjiecijnens furnished by myself—the converse I'ule holds good, for here the (^ has perfectly hya
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectentomology, bookyear1
