Get Boophilus microplus: The Common Cattle Tick PDF

By Dr. Jorge Luis Nuñez, Dr. Mario Enrique Muñoz-Cobeñas, Dr. Horacio Luis Moltedo (auth.)

ISBN-10: 3642702562

ISBN-13: 9783642702563

ISBN-10: 3642702589

ISBN-13: 9783642702587

A specified tracing, from appropriate assets, of archaeological and paleontologi­ cal discoveries made as much as the current time leads us to believe that approximate­ ly in 8000 y B. C., in Southern Turkestan, guy succeeded in domesticating the 1st farm animals, which he later took with him as he migrated from this distant area of important Asia. step-by-step, Europe and Asia were progressively inhabited by means of domesticated livestock that have been integrated into man's economic climate, either as a resource of nutrition and paintings. a similar occurred in the US and Australasia, continents the place farm animals have been taken through the ecu colonizing teams through the process the sixteenth to the 18th centuries. probably the typical farm animals tick additionally reached those continents while, accompanying its such a lot widespread host. The farm animals tick, Boophilus microplus, parasitizes Asiatic farm animals races (with spe­ cial connection with the zebu, Bos indicus), yet in general the extent of infestation isn't really excessive, just a couple of engorged ladies being detected, typically not more than ten. while farm animals of eu races are infested by means of Boophilus microplus, how­ ever, the extent of parasitism is better, occasionally attaining limits incompatible with the lifetime of the host.

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33). The adanal plates reach the posterior border, being generally concave at this point, with two spurs or spines; the one located on the mid-line is the longest. The accessory plates, which are generally shorter than the foregoing ones, are located on both sides and laterally to the adanal plates. The peritreme is similar in both males and females. It protrudes slightly from the surface of the body (see Figs. 37). Digestive System On the superior surface of the hypostome there exists a furrow covered by a membrane which, together with the external sheaths of chelicerae, dorsally from the buccal opening.

4. Two smaller trunks, the postero-medians, which together with the postero-lateral trunk V, supply the posterior portion of the idiosoma. Arthur (1960) believes that in general, females have a wider tracheal system than males. Reproductive System Male Genital Organs The male genital organs start with paired elongated structures called testes which extend from the vicinity of the brain to approximately the posterior border of the coxa of leg IV. The vase deferentia arise from the front end of the testes, and before ending in the genital opening, are transformed into the ejaculatory ducts.

No junction between segments I and II can be observed on the ventral face of the palps; but, in fact, it is possible to notice one, between segments II and III, where the latter thickens. Towards the distal end and middle of segment III, there appears an interarticular membrane which joins this segment to the fourth one. On the ventral face of palps I - III, three setae can be differentiated, as observed in Figs. 8: on the mid-line, a greatly developed and multi serrated one; laterally, another setae, smaller than the previous one, being serrated only on one of its edges; and the third one, which is very small, is located on segment III.

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Boophilus microplus: The Common Cattle Tick by Dr. Jorge Luis Nuñez, Dr. Mario Enrique Muñoz-Cobeñas, Dr. Horacio Luis Moltedo (auth.)


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