Ticks and Disease |
From inside the book
Results 1-3 of 64
Page 199
... temperature rises the period of egg laying diminishes and the mean daily output at higher temperatures rises . This is probably to be attributed to increased metabolism and particularly to enhanced digestion and absorption of food . Con ...
... temperature rises the period of egg laying diminishes and the mean daily output at higher temperatures rises . This is probably to be attributed to increased metabolism and particularly to enhanced digestion and absorption of food . Con ...
Page 205
... temperature is related to the rate of water loss below the critical temperature ; thus the eggs of I. ricinus lose something like 2 % at 25 ° C , whereas O. moubata does not show a comparable loss until the temperatures exceed 40 ° C ...
... temperature is related to the rate of water loss below the critical temperature ; thus the eggs of I. ricinus lose something like 2 % at 25 ° C , whereas O. moubata does not show a comparable loss until the temperatures exceed 40 ° C ...
Page 234
... temperatures and relative humidities as shown by Bodenheimer ( 1934 ) . Fifty - nine observa- tions on nymphs and adults in temperature gradients ranging from 2 ° C to 47.7 ° C failed to exhibit a significant response to changing ...
... temperatures and relative humidities as shown by Bodenheimer ( 1934 ) . Fifty - nine observa- tions on nymphs and adults in temperature gradients ranging from 2 ° C to 47.7 ° C failed to exhibit a significant response to changing ...
Contents
INTRODUCTION | 1 |
CUTICLE THE KEY TO TICK ADAPTABILITY | 10 |
EXTERNAL FEATURES OF SOME ECONOMICALLY IMPORTANT SPECIES 27 | 27 |
Copyright | |
13 other sections not shown
Other editions - View all
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 large number larvae larvae and nymphs lateral layer Lees legs length louping ill lumen male mammals 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