Handbook of medical entomology . the festoons. Many species, a few from the Unted States (fig. 157)... Amblyomma Koch h. Coxa I with but one spine; metatarsi (except I) with two thickened spurs at tips A. maculatum lih. Coxa I with two spines; metatarsi without stout spurs attips, only slender hairs. Acarina 265 Projections of coxa I blunt and short. Large species on the gopher tortoise in Florida A. tuberculatum . Projections of coxa I longer, and at least one of them sharp pointed; second segment of palpus twice as long as the third; coxa IV of the male with a long spine. j. Porose areas nea
Handbook of medical entomology . the festoons. Many species, a few from the Unted States (fig. 157)... Amblyomma Koch h. Coxa I with but one spine; metatarsi (except I) with two thickened spurs at tips A. maculatum lih. Coxa I with two spines; metatarsi without stout spurs attips, only slender hairs. Acarina 265 Projections of coxa I blunt and short. Large species on the gopher tortoise in Florida A. tuberculatum . Projections of coxa I longer, and at least one of them sharp pointed; second segment of palpus twice as long as the third; coxa IV of the male with a long spine. j. Porose areas nearly circular; shield of both sexes pale yellowish, with some silvery streaks and marks, and some reddish spots; shield of female as broad as long. A. cajennense ( =mixtuni). jj. Porose areas elongate, shield brown, in the female withan apical silvery mark, in the male with two smalland two or four other silvery spots; shield of the fe-male longer than broad (fig 158 e). .A. americanum. spurExttrnoiL spK-n ^Ic^nU^tltX. Sp/rac/e— ?JCS^OO t)^ 153. Rhipicentor bicornis, ventral aspect, male. After Nuttall andWarburton. Hypostome small, without teeth, venter without furrows; body oftenwith coriaceous shields, posterior margin of the body never crenulate ( without festoons); no eyes GAMASOIDEA. I. Parasitic on vertebrates; mandibles fitted for piercing; body sometimes constricted Dermanyssid^. e. Anal plate present Dermanyssin^e. f. Body short; legs stout, hind pair reaching much beyond the tip of the body. On bats Pteroptus Dufour. ff. Body long; hind legs not reaching beyond the tip of the body,g. Peritreme on the dorsum, verj^ short; body distinctly con-stricted Ptilonyssus Berl. gg. Peritreme on the venter, longer; body not distinctly con-stricted,h. Mandibles in both sexes chelate. Parasitic on bats, mice and birds (fig. 150, h) Liponyssus Kol. The species L. (=Leiognathus) sylviarum frequents thenests of warblers. An instance is on record of these mitesattacking
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1915
