The Genera Boophilus Rhipicephalus and Haemaphysalis (Ixodidae ...

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capituli. Its dentition is expressed by a ratio. Thus 3/3 means that there basis three longitudinal files on each half of the hypostome. Measurement is made are the base to the anterior extremity. from CARINAE: On the scutum in all stages, paired lineal elevations outside LATERAL cervical grooves, and usually more declivitous on their inner sides, and the so faint as to be indefinite. Often absent. sometimes GROOVES: In males, grooves at the sides of the scutum. LATERAL The sequence of the legs from anterior to posterior is indicated in Roman LEGS: I, II, III, and IV. Measurements of the articles are made on the numerals side since they "telescope" dorsal the ventral side. on A tongue-shaped retrograde, sclerotized projection LIGULA: the venter of on article 1. palpal GROO'VES: In females, grooves at the sides of the body posterior to MARGINAL scutum. the GROOVE: A dorsal body groove, on the middle line back of the scutum. MEDIAN Paired, articulated appendages on the basis capituli lying parallel with the PALPI: and chelicerae. Four articles were originally present in all ticks, hypostome the proximal article may be obsolescent or absent. In the genus but palpal articles 2, 3, and 4 are plainly visible, and all articulations Boophilus, movable, though between 2 and 3 the movement is only slight. The articula- are between the basis capituIi and article and that between and 2 is confusintion by reason of the fact that has been much reduced or may be absent. present at all, is represented only by a sclerotized spot, or plate, on the If side (toward the hypostome) which may be very indefinite, a distinct inner "ligula." (See fig. 5B.) The palpi in this genus do not have a fixed length a may be observed in occasional specimens which have one paIpus distinctly as than the other. longer Rhipicephcdus, article is present and movably attached to 2. On the In plate on the inner side may be present or absent. small all species of Haemaphysalis known to the writer palpal article is absent In the between 2 and 3 is fused. and articulation A pair of pitted areas, usually depressed, the on dorsum oJ; the AREAS: POROSE capituli, present in all females (of Ixodidae), absent in males, nymphs and basis larvae. MEDIAN GROOVE: Ventral, longitudinal groove posterior to the POSTANAL anus. GROOVES: A pair of dorsal body grooves outside the POSTEROLATERAL groove. median Pits in the surface of the exoskeleton, frequent on the scutum PUNCTATIONS: sometimes present on the basis capituli. The pit may or may not have a and in it, and in some the "floor" is level. hair An edge that extends, in contradistinction to a margin that terminates SALIENT: by a its parts by the deposit of nonchitinous substances in the exocuticula. or The sclerotized plate covering all or most of the dorsllra ha rna.les and SCUTUM: 7 The median ventral mouth part which is immovably attached to the HYPOSTOME: or a retrograde extension, which, because of its shape, may be called inner-edge, there is a large triangular plate On the inner side while on the dorsum a renter rounded edge. SCLEROTIZATION: The hardening, and incidentally, darkening of the body wall th anterior plate: i.n. fales, nymphs, and larvae.
PLATE: Paired plates situated behind legs IV, the external evidence SPIRACULAR of the respiratory system. SPUR: Retrograde projection near the distal end of the trochanter. TROCHANTAL dorsal and ventral spurs may be present in a species. Both sur- of the basis, similar to the cornua on the dorsal surface. face TARSAL SPURS: Spurs on the ventral side of the tarsus designated as VENTRAL terminal and subterminal ventral spurs. VENTRAL CORNUA: Retrograde horns on the posterior margin of ventral
Page 1 and 2: SECURITY AGENCY FEDERAL STATES PUBL
Page 3 and 4: present paper, the last in the mono
Page 5 and 6: Mountain spotted fever. Since this
Page 7: SHIELDS: Paired shields outside the
Page 11 and 12: and the species and subspecies of t
Page 13 and 14: 2. B.oophilus annulatus (Say). A. F
Page 15 and 16: Length from tips of palpi to poster
Page 17 and 18: program of eradication is still bei
Page 19 and 20: 4. Boophilus microplus (Canestrini)
Page 21 and 22: MALE Length from tips of palpi to p
Page 23 and 24: (1941, p. 466) gave Travis report o
Page 25 and 26: 6 AN 7 FIGURES Ixodes sanguineus La
Page 27 and 28: 7. Rhitn'cephalus sanguineus (Latre
Page 29 and 30: oval and measure 3.5 by 2.15. broad
Page 31 and 32: Rhipistoma Koch, p. 239. (.Neumann
Page 33 and 34: 8. Haemaphysalis leporis-palusfris
Page 35 and 36: Coxa I with internal spur large, ro
Page 37 and 38: It is probable that the other rabbi
Page 39 and 40: 10. Haemaphysalis chordeilis (Packa
Page 41 and 42: Oval, widest back .of the middle. C
Page 43 and 44: America, and the author has studied
Page 45 and 46: Haemaphysalis kochiArago, p. 3-6 (r
Page 47 and 48: Coxa I with a short, rounded, inter
Page 49 and 50: JUXTAKOCHI, N, SP. HAEAPHYSALIS 13
Page 51 and 52: MALE Length from tipsof palpi to po
Page 53 and 54: in Key West, Florida. (Acarina, Ixo
Page 55: R. R,, PHILIP, C. B. and DAvis, G,

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