The Terrestrial Acari of the British Isles: Introduction and biology |
From inside the book
Results 1-3 of 4
Page 39
... metapeltidium . The chelicerae are massive , two - segmented and work in a vertical plane . The pedipalps are simple and each terminates in a small adhesive cup . The first pair of ambulatory appendages are tactile organs and the fourth ...
... metapeltidium . The chelicerae are massive , two - segmented and work in a vertical plane . The pedipalps are simple and each terminates in a small adhesive cup . The first pair of ambulatory appendages are tactile organs and the fourth ...
Page 41
... metapeltidium divided by a median incision . The opistho- soma is 12 - segmented . The anterior nine segments are each provided with a tergite and sternite but the posterior three , terminating in a flagellum of not more than four ...
... metapeltidium divided by a median incision . The opistho- soma is 12 - segmented . The anterior nine segments are each provided with a tergite and sternite but the posterior three , terminating in a flagellum of not more than four ...
Page 45
... metapeltidium always distinct . Complete sternum never present . 3. Degree of reduction of the pregenital segment negligible . Segments of the abdomen gradually diminishing pos- teriorly , never forming an anal block or macrosomite 4 ...
... metapeltidium always distinct . Complete sternum never present . 3. Degree of reduction of the pregenital segment negligible . Segments of the abdomen gradually diminishing pos- teriorly , never forming an anal block or macrosomite 4 ...
Common terms and phrases
Acari Acarina Actinochaeta active adult ambulacrum amongst animals apotele appendages Arachnida Argasidae arthropods associated Berl biology birds body Britain British Bull cavity cells cent chelicerae Chelicerata claws coverslip coxae Cryptostigmata culture cuticle deutonymph disease dorsal Dorsum eggs engorged Eriophyidae Erythraeidae Evans fauna feathers female forms free-living galls genital orifice genus gnathosoma Grandjean habitat Halbt hatch Hist host hypostome hysterosoma idiosoma infested insects instars Ixodes ricinus Ixodidae large numbers larvae layer life-cycle Macrocheles male mammals Massee Mégnin Mesostigmata metapeltidium metasoma method moult to become mouthparts nests nymphal instars nymphs observed occur opisthosoma Oppia organ Oudms pair of legs parasites pedipalps phytophagous plants population propodosoma prosoma Prostigmata protonymphs region rutella sclerotized segments sensory setae sheep shield skin species specimens spermatophore spider mite stages stigmata Suctobelba surface Tarsonemina tarsus terrestrial Tetranychidae Tetranychus ticks tracheae tritonymphs Trombiculidae tube ulmi usually venter ventral Wharton Zool