. Smithsonian miscellaneous collections. Fig. i8.—Gnathotriclms materiariiis Fitch : Metasternum, inner aspect. C, coxa; St, sternum; Ti, tibia; Tr, trochanter; a, sternellar area; b, median line; c, pre-sternellar area; d, clavicula; e, sternal hook of metapleuron; t, head of postepimeron. APh. PN Fig. 19.—Gnathotriclms materiariiis Fitch: Metatergum, inner aspect. APh, prephragma; Pc, precosta of postnotum; PN, postnotum; Pph, postphragma; Psc,prescutiim; Set. scutum; Scl, scutellum; a, posterior membrane; b, anterior membrane; c,scutellar lobe; d, posterior prealar process; e, anterior apod
. Smithsonian miscellaneous collections. Fig. i8.—Gnathotriclms materiariiis Fitch : Metasternum, inner aspect. C, coxa; St, sternum; Ti, tibia; Tr, trochanter; a, sternellar area; b, median line; c, pre-sternellar area; d, clavicula; e, sternal hook of metapleuron; t, head of postepimeron. APh. PN Fig. 19.—Gnathotriclms materiariiis Fitch: Metatergum, inner aspect. APh, prephragma; Pc, precosta of postnotum; PN, postnotum; Pph, postphragma; Psc,prescutiim; Set. scutum; Scl, scutellum; a, posterior membrane; b, anterior membrane; c,scutellar lobe; d, posterior prealar process; e, anterior apodeme; /, anterior prealar process;g, anterior prescutellar disk; h, posterior prescutellar disk; i, scuto-scutellar suture; j, medianapodeme or endodorsum; k, parapsides; /, prealar bridge of postnotum, or postscutellum; m,prealar hook of postnotum; n, postnotal apodeme; o, scapular hook. sculpture of the metasternum is minutely rectangulate. The punctureswhich occur are sparse, the hairs of medium length and more numer-ous laterally. The metathorax shows little specific and no sexual modifications. NO. lO MORPHOLOGY OF GNATIIOTRICHUS SCHEDL 41 THE ABDOMEN The chitinous skeleton of the abdomen shows little specific modifica-tion but it bears characters which are of importance in separat
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Keywords: ., bookauthorsm, bookcentury1800, bookdecade1860, booksubjectscience
