1864.] 679 Descriptions of several now species of OYlUPS, and a new speoies of DIASTROPHUS BY H F BASSETT QUERCUS RUBRA .A cluster offort!f or fifty elonga.te-ovate gall8 on a branch of a !f0u/ng red oak tree Tht.y are from three-foo.rths of an inch f.o an inch in length, and a half an inch, in diameter in the middle, tapering to a po"nt af tile ends; covered with a Jwrt, velvety pubescence, and when dr!f, ridged like a melon; tke imide, cork-like substance adhering closely to the larval cell, and divided lengthtoile inf.o ma1t!! parts like the dissepimetlf8 of the seed-ve3Sels of various kinds of plants; f'Mnothalaf'Mus-the cell one-tenth of an inch long a I c q form~sa n sp Head black Head and {ace finely and evenly rugose Ankn1U2 1~­ j&inted, yellowish-red, the terminal joints darker The suture between the 14th and 15th as distinct as the preceding ones; (ace with a short pubescence, the hairs converging towards the mouth; mandibles black, palpi yeJIowish-red TMraz black; a few short hairs on the collare; muotAoraz: parapsidal grooves distinctly marked, median line broa.d where it begins on the scutellum, but gradually decreases and disappears just before reaching the collare; between this and the para.psidal grooves two shc.rt lines beginning on the collar and extending half way to the scutellum The thorax and pleune are beautifully ripple.marked with fine short traMVerse linea This style of marking is distinct from that of any of the species in my collection-thirt.y or more The same style, only coarser, is soon in sOIQe Chalcidians SdJ.tellum sma.ll, finely rugose, the small fov~ are smooth and shining Legs bright brownish-red, except the upper part of the femur, which is nearly black, and the black cOxre Abdomen bright reddish-brow,p with an extremely ,minute microscopic punetation; sheath of the ovipositor a ~ark brownish-red Wings hyaline, also the veins, except the first and second transverse and the subcostal, which are a very pale yellow; areolet large, equiangular, bounded on the inner side by entirely colorless veins, radial area open Length ~12 "b unknown The llies have not yet left the gall (Nov 25) though they have been in' the imago state for several weeks, a.nd crawled about actively when the galls were opened They may be imprisoned by tlie hard dry gal), but I am inclined to think, that, like some other species, they remain in the galls in the perfect state through the winter and come out early in the spring ,~ _ / '" 'VoW -'- , •• "-"-'~'1'~ • -• " l' _n_., :-~ 680 [DECEMBER The galls of this speoies are very rare I have found only two clusters, and one of these was much eaten by some tepidopterous larva, and the larvm of the true gall Hy were destroyed Only a part of the galls in the other cluster were developed as described above; the smallest were not larger than grains of barley, but contained larvre, and have produced true gall Hies Their diminutive size was owing, apparently, to their being closely crowded This and the species next described, a g veluricosa n sp., are readily distinguished from any other American species yet described, by the female, (male as yet unknown,) having fifteen tii~tinct antm"al joints Dr Fitch (N Y Rep Vol No 309) speaks of having, in his collection, a female gall By with fifteen jointed antennte, but he does not describe it, nor the gall from whioh it came Westwood (Syn Gen Br Insects) does nQt characterize any genus of the family Cynipidre as having more than the ~ 14, and the ~ 15 antennal joints-but the ~ of my O q singularis* (Proc Ent Soc Phila Vol 2nd p 326) has 16-jointed antennre, and q Rcitula-a new species described in this paper-also bas tbe same number The females of botb these species have only 13 joints, the terminal one long and connately divided in the middle a q.formosa and the species next described are evidently closely related, for besides the 15-jointed antennte of the ~ there are other points of resemblance; and the remarkable di1ference in the colors of' the two species, the ripple-marked thorax of O g.formosa, and the widely different galls from different species of oak, are the most marked specific characters The shape of the abdomen of both species is peculiar; differe~t in form, and, I think, in structure, from any other species I am acquainted with, but I have not yet sufficiently studied the structure to describe it well, and have simply, in my description, noticed the vertical diameter as equalling or exceeding the length a • Mr Walsh assures me that my C q singularis is the same as C q nubili- penni!J Rarris He is undoubtedly correct, and my name stands, of course; as a Synonym Dr Harris' very brief descriptions were definite enough, perhaps when the number ~f species VIas, as when he wrote, very small, but hardly complete enO\lgh for the genus to-day The num~er of species described and properly belongmg to, or provisionally placed in, the genus Oynips, exceeds fifty, and many more will probably be found • 0' , : ~~ " 681 1864.] QUERCUS ILICIFOLIA Galls grOOJing in cl1£8ters.from three or foor to a dozen to.'letker, on the limbs and occQRitmall!l on the trunks ofyoung shrub QaJa TM!! fire cone-shaped, truncate at tke base, tke apex often prolonged a sl.ender, recurve~ point .They are from four to jiveeighths oj an inch [mag, and from one.jourth to three-eightks in diameter at the base When green, oftm of a deep red color; 'When dry, brown nr black j lJer!! hard, enclosing a near{y free larval cell like that nJ C q globulus, Pikh in c q veutricosa n sp s.> • Head and thorax a bright cinnaJllon color, head finely punctate, face pubescent, dark brown around the moutb, tips of the mandibles black, palpi pale brown .Antenna: long, 15-jointed, third joint longeat, others gradually decreasing in length to the 15th, which is as long as the two preceding ones, and shows plainly a connate suture Thore= tinely arid evenly punctate; parapsidal grooves not deep; the line dividing the mesothorax lengthwise reaches from the collare to the scutellum; each side of this is a line reaching half way from the collare to the scutellum, floDd marked with an indentation at the posterior end; also a deep linear depression on each side over the base of the wings; pleura microscopically /punctate; mesothorax bounded on the sidea and where it joins the scutellum by a dark reddish-brown line Scutellum very nnely SCUlptured,' a dark and narrow ridge dividing it half the length Feet yellow, tips of the tarsi black Wing8 hyaline; the subcostal, anal, first and second transverse veins large, dark reddish-brown; the ~rst two ra.ther paler towards the base; areolet distinct; radial area open, the vein formi~g its base considerably enlarged Abdomen darker brown than the thorax; segments short, second longeat; vertical diameter, i e the distance from the back of the abdomen to the ventral edge, equals or slightly exceeds the length; terminal segments show a fine punctation Length 14 Male unknown My galls were collected in June The Hies were found to be fully developed in October They were cut oat, else they would probably h~ve remained in the ~Js until 8pri~g QUERCUS ILICIFOLIA Elongated, fusiform ga1l8 grCluiing on the upper side of the leaves of Q ilicifolia, and standing erect, or nearltl so-sometimc8 entire{y preventing the development of the leaf, and a.pparently growing out of the petiole '1' he centralllucleus C(jf&taining the larlJt£ is kept in place b!! radiating 'Wood!! fibru as in O g inanis o The largest ga.lls are two t"nches in length and seven-eight1l.8 oj an inch in diameter; average size about one and three.jotirtks t~nchu long, and three.jourths in diameter .Apex rather wnger and more slender than· the bcual portion, and often comi4.erably curved • :" ":.~': • ,'1" 682 [DECEMBER These galls are of the same dark greon as the leaves Many are found very much smaller than those desoribed above, but they produce parasitic Hies Baron Osten Sacken writes me that he met with numbers of these galls in Penns,lvania several years ago They are rather rare here (Conn.) Q q UicifoUlB n sp Black, vertex of the head, a.nd the entire thorax black, and deeply and irregularly sculptured; face rugose a.nd pubescent; hairs converging toward the mouth; p&lpi shining reddish brown AnUmue l3-jointed, the 18th long and with a f&lse suture apparent on the inner side; first and second joints very short, shining black; the remaining ones pubescent, and dull black 'l'Aoraz with a coarse pubescence The parapsid&1 groove obliterated by the coarse, somewhat linearly arranged sculpturing FOvelB large but sculptured like the rest of the scutellum JiUt: COXlB, and the upper part of the femur of the two anterior pairs black-other parts reddish-bro~n; posterior pair black, reddish at the joints Abdomtn black shining, the ventral edge clear brownish red The segments, except the first a.nd second, with a very fine microscopic puno tation, most apparent on the third segment Wing8 slightly dusky; veins brown ish black, heavy; aieolet very small, vein at the base of the open radial area covered by a large brownish black cloud, which covers part of ·the areolet but does not reach the anterior margin of the wing A very Ught brown cloud in the basal cell of some specimens Length 1'1 'b -AntennlB 16-jointed, feet darker than those of the female; posterior pair, including the tarsi, almost entirely black Otherwise like the female except the usual sexual differences Length 14 Ten