The Genera Boophilus Rhipicephalus and Haemaphysalis (Ixodidae ...

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or absent. Palpi short, poorly sclerotized; transverse ridges faint. faint, of the chelicerae very long, fully twice as long as the palpi. Sheaths hairs few, not conspicuous. Palpal Short and broad. Denticles 3/3 with about five in each H'ypostome. Length about 0.14. file. Pentagonal. Length and width equal, each about 0.45. Cer- Seutum. grooves as shallow valleys, divergent posteriorly. Eyes small, oval, vical Surface smooth, shining. Punctations absent. Hairs few. faint. Small,-convex. Coxa I with a short, broad, rounded, external Coxae. II and III about as in I but progressively smaller; IV, spurs spur; Length from tips of palpi to posterior margin, 0.15; Capitulum. of basis, 0.18. Lateral profile lines of basis convex; posterior width nearly straight. Cornua absent. Palpal article absent. In margin view, basis broadly rounded behind. Palpi with relatively long ventral hairs. Short, broad, with about six broad, short, rounded den- Hypostome. in each file. Dentition 2/2. Length about 0.065. ticles Length, 0.31;width, 0.42. Cervical grooves shallow, short, Scutum. posteriorly. Surface smooth, shining, impunctate, and with converging absent. hairs Coxa I with a short, broad, internal spur; II and III without Coxae. spurs. AND DISTRIBUTION HOSTS microplus (Canestrini) was described as Haemaphysalis n4i- Boophilus from specimens that came from Paraguay. Salmon and Stiles cropla referred to this tick as australis Fuller and mentioned that (1901) from Argentina, and from deer, ox, and horse from Brazil. Osornoman (1941, p. 429) mentions it as present in Colombia. Dunn (1923, Mesa 21) under the name Mrgaropus ann, ulatus australis, records the tick p. cattle in Panama; and Fairchild (1943, p. 586) states it is common from cattle in Panama and is also found on horse, dog, goat, and deer. on (1923, p. 202) mentions the tick under the name Margaropus Valadez 21 Legs. Short, moderately heavy. absent.- LARVA Length from tips of palpi to posterior margin of body, 0.60; Body. 0.42. Short oval. Scutum occupying about three-fifths of the length width, the body. of as present on cattle in this country. Arago, in various papers has species the species as present on cattle, deer (Maa.ma sp.) horse, and mentioned annulatus australis as present in Mexico. 695499-46-4
(1941, p. 466) gave Travis report of special interest because his survey a gave records from numerous mammals and birds. One hundred and mammals of twelve species were examined and ticks of various fifty-five were found, but B. mic'oplus was found only on deer, and on only kinds out of 22 examined. Eighty'seven birds, including twenty-on species, 13 examined and showed various other ticks present but none of were mic'oplus. B. the Rocky Mountain Laboratory collection are the following: from In from cows; Costa Rica, 2 lots from lot and tapir; from Honduras, :3 lots from cattle; from Guatemala, 2 ox lots from cows;and from Mexico, 5 lots from cows. 22 1 lot; from Peru, 1 lot; fromEcuador, 1 lot from cattle; Argentina, Colombia, 33 lots from cattle, horse, and dog; from Brazil, 17 from lots from cows; from Venezuela, 1
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 and 8: SHIELDS: Paired shields outside the
Page 9 and 10: PLATE: Paired plates situated behin
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: MALE Length from tips of palpi to p
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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