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Show 124 1NSECTA. In the others, the antennre are inserted near the middle of the face of the head, which is larger than in the preceding Insects; th~ a~do· men is sometimes conical, and sometimes ovoidal or elhptlcal. They form the genus MuTILLA, proper. 'fhese Insects are found in hot and sandy localities. The female runs with great quickness, and is always seen on the. gr~und. The males frequently alight on flowers, but their mode of hfe 18 unknown. The species, in the females of which the thorax is almost cubital, and without knots or appearance of divisions above, compose the genet·a APTEROGYNA( l ), PsAMMOTHEltMA, and MuTILLA of Latreille. The abdomen of the Apterogynre has the two first annuli in the form of knots, as in several Formicre. The :intennre of the males at·e long, slender and setaceous. Their superior wings only present brachial or basilary cells, and a single, small, rhomboidal, cubital cell. In the Psammothermre(2) and the Mutillre there are three, with two recurrent nervures. Besides this, the second segment of the abdomen is much larger than the preceding one, and forms no knot. The antennre of the male Psammothermre are pectinated, and those of the Mutillre simple in both sexes. M. europrea, L.; M. tricolore, Coqueb., lllust. Icon. Insect., dec. II, :x.vi, 8. The female is black, with a red thorax and three white bands on the abdomen; the two last approximated. She is provided with a powerful sting. The male is bluish black with a red thorax and the abdomen as in the female(3). Those species, which, in both sexes, have the thorax equal above but divided into two distinct segments, with the abdomen conical in the females and elliptical and depressed in the males, compose the genus MYRMOSA, Lat. Jur.( 4) Those, in which the thorax of the females is still oval above, but (1) Lat., Gen. Crust. et Insect., lV, p. 121. See the Diet. Class. d'Hist. Nat; Dalm., Anal. Entom., 100, where he gives the figure of the Scolia globulam,Fab~ the male of another species of .B.pterogyna. (2) Mutilla jlabellata, Fab.; the late M. Delalande brought a species of this genus from the Cape of Good Hope. (3) Ibid.; Oliv., Encyc. Method., article Mutille; and KlUg, Entom. Brazil. Specim. (4) Lat., Ibid., P· 119, and Jurine on the Hymenoptera. HYMENOPTERA. d' 'd d. 125 1Vl e mto three segment s b Y sutures where th . are very short, and the second . oint of ' e. max~llary pal pi form the genus J the antennre 1s set m the first ' MYRMEoonA, Lat.(l) ScLERODERMA, Kli.ig. Only differs from Myrmecoda in the el . palpi and antennre, of which th . o.ng~tlOn of the maxillary e second JOmt 1S exposed(2). In METHOOA, Lat. The top of the thorax I· s as 1·r k notted or articulated(3). FAMILY II. FOSSORES(4). The second family of this section c . noptera armed with a st' . h' ompr1ses those Hyme-b h mg, 1n w ICh all th . d. 'd ot sexes are furnished w. th . . e In 1 VI uals of which the legs are excl .1 l wmgs, and hve solitarily ; in several for digging. T~:vl: :l:d~pted for walking, and in dened at its extremity a d g . always more or less wi- . n never fihform o ta Wings are always extended. r se ceous. The They compose the genus (1) Lat., Ibid., p. US. (2) Lilt., Ibid. (3) Lat., Ibid. (4) M. Vander Linden alread esteem, by the publicatio~ of th/fi q~oted, has lately acquired a new title to o sects of tlus family. See Ob rs part of a Monograph of the E ur seurs. serv. sur les Hymen. d'E uropean In- N B Th . . . ur., de Ia Fam. des Fouis- or su. b'g enee dlVISIOOS of the fia mi' }Y of the Fossores fi PHILAN'l'Hu~· SooLI.&, SurG..a., SPu:~:x, BEMDEX ~rm so many principal genera . ' Ann..a., NrssoN, CnA.BBo and |
