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On Five New Species of Ticks (Arachnida Ixodoidea): Ixodes Petauristae, I. ampullaceus, Dermacentob imitans, Amblyomma laticaudae and Aponomma draconis, with Notes on Three Previously Described Species, Ornithodorus franchinii Tonelli-Rondelli, Haemaphysalis Cooleyi Bedford and Rhipicephalus maculatus Neumann

  • Cecil Warburton (a1)

Male unknown.

Female (Fig. 1): Scutum (2·2 x 1·8 mm.) much longer than broad, with well-marked lateral folds on the anterior half; cervical grooves rather far apart at origin, then faint and divergent; some very fine punctations on the lateral folds and in the area between them and the cervical grooves, the posterior region very glossy and almost devoid of punctations. Emargination very slight. Venter: vulva between coxae IV. Genital grooves only slightly divergent, not extending beyond the anus. Anal groove horseshoe-shaped, then shallow and divergent. Spiracles nearly circular and very large (larger than coxa IV). Capitulum long; basis triangular, without cornua or auriculae, its ventral surface divided by a transverse line. Porose areas large, sub-rectangular, with narrow interval. Palps fairly stout; hypostome lanceolate, dentition 2/2, about twelve teeth per file, the outer the stronger. Legs: coxa I deeply cleft into two equal flat teeth, recalling that of Rhipicephalus, and very unusual in Ixodes; coxae II–IV with an external tooth, diminishing in size. Tarsi long (especially tarsus I) and tapering, the pad nearly as long as the rather weak claws.

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  • ISSN: 0031-1820
  • EISSN: 1469-8161
  • URL: /core/journals/parasitology
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