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Show 130 INSECT A. LXV, 16. Deep black; abdomen red, intersected with black circles. The second family of the genus Misquc of Jurine is composed of true Pompili, but in which the thit·d cubital cell is small and petio-late( 1 ). That of Salius Fabricius was established on the males of certain ' ' . species in which the prothorax and metathorax. are proportiOnally longer than those of the Pompili, and the mandibles present no den-tations( 2). PLANIOEPS, Lat., Van der Lind. Closely allied to Salius in the general form of the body; but the head is flat and its posterior margin concave, its ocelli are very small and distant, and the eyes elongated and occupying its sides. The antennre are inserted near the anterior margin. The two ante· rior legs are distant from the others, short, curved underneath, and have large coxre and thighs. There are but two complete cubital cells in the upper wings, the second of which receives the first re· current nervure; the incomplete or terminal cell receives the other nervure at a short distance from its junction with the second cell. A second species, besides the one on which this subgenus was founded(3), has been discovered in Brazil by M. de la Cordaire, who was kind enough to give it to me, and whose name it will bear. In APoRus, Spin. There are also but two complete cubital cells; but the second receives the two recurrent nervures. The Apori, in all else, resemble the true Pompili( 4). In the others the first segment of the thorax is narrowed before in the form of a joint or knot, and the first ring of the abdomen, some· times even a part of the second, is narrowed into an elongated pe· dicle. Their superior wings always present three complete cubital cells and the commencement of a fourth. Those in which the mandibles are dentated, the palpi filiform and (l) See Jurine, Latreille, Vander Linden, and the Encyclopedie M~thodique. (2) See Fab., Lat., and Vander Linden. (3) Lat., Ibid., divis. B; Vander Linden, and Diet. Class. d'Hist. Nat., article Planiups. (4) Lat., Ibid., p. 62; and Vander Linden. HYMENOPTERA J • 131 almost equaJ, the maxillre and 1i ul proboscis and bent underneath :. a vc:y long, in the form of a receives the two recurrent . ' an m whtch the second cubital cell b M . nervures, have been . . Y .. Ktrby under the n-ene · separated from them o rtc. name of · AMMOPHILus, Kirby. To this division belongs the .11. subulosus; Sp!tex subulosa L . LXV, 12 Black· bd ' ., Panz., Faun. Insect. Germ · ' a omen bluish-hi k ., a long, slender and I . ac , narrowed at base into ' a most comcal ped· 1 h base excepted, and the thi d f 1 IC. e, t e second ring, its on the front of the head . r h' u vous; a stl very and silken down lll t e male. The female, with he•· feet gi·ound along the bord f ' excavates a deep hole in the crs o roads in h" h caterpillar, killed or mo t 11 ' w tc she deposits a r a Y wounded b h · egg by the side of it· she th I y er sttng, laying an d · ' en c oses the h 1 · h . san ' or even a small pebhl I o e Wlt grams of h e. t would ap 1 t e operation several t" . . pear t lat she repeats · tmes m successiOn · · · In the same nest. 10 a stmtlar manner, .!J.. arenarius; Pepsia arenaria F als') an Ammophilus Bl k 'd ab:; Panz., Ibid., LXV, 1 3, is b · ac an hmry· ped' 1 f a ruptly formed by 't fi . ' 1c e o the abdomen 1 s rst rmg the d . the fourth, red. ' secon ' thtrd, and base of I~ some-the first family of Miscus . petiOlate superiorly(J). 'Jur.-the thtrd cubital cell is . T.h ose specI' es m· whi· ch the mandibles . similar form, but where the 'JJ. and palpt still preserve a d maxi re and lab· an ' at most, flexed at the ex t remt. ty ar tum . are much shorter' the genet·a SPHEx, PRONEus C ' e comprised by Latreille in ' HLORION. In PaoN.lEus, Lat. As in .A:mm 0 P h1'l us, the second b · rent net·vures(2). cu Hal cell receives the two recur- SrHEx, proper. That cell only receives other(3). In the first; the third is inserted u!lder the (1) Lat., Gen. Crust. et Insect " (2) Lat., Ibid. 56 57 ., IV, P· 5.>; and Vander Linden (3 ' ' . . ) Lat., Gen. Crust. et Insect. IV "5 ' 'P· ·' . |