Ticks and Disease |
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Page 275
... Moulting Larvae Nymphs All active , die Moulting Nymphs- Adults - - All active , die Egg laying Females Larvae All active , die and hatching B Engorged Unfed Moulting -48 % active , die Larvae Nymphs 52 % active , die Moulting ( 20 ...
... Moulting Larvae Nymphs All active , die Moulting Nymphs- Adults - - All active , die Egg laying Females Larvae All active , die and hatching B Engorged Unfed Moulting -48 % active , die Larvae Nymphs 52 % active , die Moulting ( 20 ...
Page 344
... moulting period yielded nymphs which were free of infection . Similar batches of infected gorged larvae when incubated through the moulting period at 34-35 ° C , 31-33 ° C and 25-26 ° C either retained partial or complete infectivity as ...
... moulting period yielded nymphs which were free of infection . Similar batches of infected gorged larvae when incubated through the moulting period at 34-35 ° C , 31-33 ° C and 25-26 ° C either retained partial or complete infectivity as ...
Page 393
... moulting . The virus ingested by a female tick fed on infected sheep passed through the eggs to the larvae of the next generation . The fate of the virus in ticks which were unfed for long periods was determined experimentally by Lewis ...
... moulting . The virus ingested by a female tick fed on infected sheep passed through the eggs to the larvae of the next generation . The fate of the virus in ticks which were unfed for long periods was determined experimentally by Lewis ...
Contents
INTRODUCTION | 1 |
CUTICLEThe Key to TICK ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT | 27 |
Copyright | |
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Common terms and phrases
activity Africa Amblyomma andersoni animals appear areas argasid Argasidae attached Babesia basis capituli bite body Boophilus broad capitulum cattle cells Cervical grooves cheliceral colour coxa coxal cuticle cytoplasm Dermacentor disease dogs dorsal view eggs endocuticle engorged epicuticle evertsi external spur feeding fluid fully fed genus granules Haemaphysalis hairs hard ticks hexagonus Hoogstraal host humidity Hyalomma hypostome infection inner Ixodes ricinus Ixodidae large number larvae larvae and nymphs lateral layer Lees legs length louping ill lumen male membrane microplus moult muscles Nuttall nymphal nymphs nymphs and adults occur palp palpi parasites pathogens period persicus pharynx posterior margin punctations rabbits relapsing fever reported Rhipicephalus rickettsiae rounded salivary glands sanguineus scutum sheep skin soft ticks spermatophore spiracle Spiracular plate spirochaetes spotted fever spur on coxa surface tarsus tarsus IV temperature Theileria tick species tissues transmission transmitted transverse unfed females variabilis vector ventral virus whilst