Identification of Larval Ticks Found on Small Mammals in Britain |
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Page 4
... ridge to tip of hypostome 120-150 : width across dorsal ridge 125 - 160 : basis capituli subtriangular dorsally , posterior margin straight or mildly sinuc antero - lateral margins straight and convergent anteriorly : cornua absent ...
... ridge to tip of hypostome 120-150 : width across dorsal ridge 125 - 160 : basis capituli subtriangular dorsally , posterior margin straight or mildly sinuc antero - lateral margins straight and convergent anteriorly : cornua absent ...
Page 8
... ridge to tip of hypostome 165 195 : 135 - 165 wide across dorsal ridge . In ventral view posterior margin straight : posterolateral angles rounded : behind a well - defined constriction , which is posterior of mid - length , the lateral ...
... ridge to tip of hypostome 165 195 : 135 - 165 wide across dorsal ridge . In ventral view posterior margin straight : posterolateral angles rounded : behind a well - defined constriction , which is posterior of mid - length , the lateral ...
Page 10
... ridge to tip of hypostome 140 - 170 : width across dorsal ridge 120 145. In ventral view posterior margin undulate : posterolateral angles rounded : lateral margins convergent posteriorly until they reach the small subtriangular ...
... ridge to tip of hypostome 140 - 170 : width across dorsal ridge 120 145. In ventral view posterior margin undulate : posterolateral angles rounded : lateral margins convergent posteriorly until they reach the small subtriangular ...
Common terms and phrases
anal groove incompletely arvicolae auriculae bank vole Broader than long capitulum central dorsal setae convergent Cornell University coxa coypu denticles Dermacentor reticulatus Description of larva dorsal ridge emargination slight encircles the anus Extrascutal region festoons absent field vole greatest width groove incompletely encircles hard ticks idiosoma immature stages inner rows Ixodes Ixodidae lactic acid LARVAL TICKS FOUND lateral margins length from dorsal MAMMAL SOCIETY marginal dorsal setae marginal setae marginal ventral setae mouthparts nymphs pair of anals pairs of central pairs of marginal pairs of posthypostomal pairs of preanals pairs of premarginals pairs of setae pairs of sternal Palps posterior margin broadly posterior margin straight posterior view posterolateral angles rounded posthypostomal setae premarginal setae ridge to tip scapulae scutal setae Scutum setae on segment setae present SMALL MAMMALS sternal setae tarsus tip of hypostome ventral surface ventral view posterior ventrally 3 pairs view posterior margin water vole wood mouse