The Genus Ixodes in North America |
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Page 3
... venter of the basis capituli ; may be as retrograde " horns , ” flattened extensions , or ridges that often are mild or sometimes absent . BASIS CAPITULI : Often abbreviated to " basis . " The basal portion of the capitulum to which the ...
... venter of the basis capituli ; may be as retrograde " horns , ” flattened extensions , or ridges that often are mild or sometimes absent . BASIS CAPITULI : Often abbreviated to " basis . " The basal portion of the capitulum to which the ...
Page 5
... useful characters . Variation occurs in the size of the plate and to a less extent in its shape . The longer axis , especially in males , may be either longitudinal or transverse . TRANSVERSE SUTURAL LINE : A fused suture on the venter 5.
... useful characters . Variation occurs in the size of the plate and to a less extent in its shape . The longer axis , especially in males , may be either longitudinal or transverse . TRANSVERSE SUTURAL LINE : A fused suture on the venter 5.
Page 6
... venter of the basis capituli present in some species . VENTRAL PLATES : In males , the plates in a definite pattern on the venter . Their relative sizes and shapes are useful as characters but in some species they show some variation ...
... venter of the basis capituli present in some species . VENTRAL PLATES : In males , the plates in a definite pattern on the venter . Their relative sizes and shapes are useful as characters but in some species they show some variation ...
Page 7
... venter with seven non - salient plates , namely , a pre - genital , a median , an anal , two adanal , and two epimeral plates . Attachment between palpal articles 1 and 2 movable . Sexual dimorphism marked especially in the hypostome ...
... venter with seven non - salient plates , namely , a pre - genital , a median , an anal , two adanal , and two epimeral plates . Attachment between palpal articles 1 and 2 movable . Sexual dimorphism marked especially in the hypostome ...
Page 10
... Venter of basis capituli with transverse wrinkles ( Eastern States ) Venter without transverse wrinkles ( United States and British Columbia ) Hypostome not notched apically ; spiracular plate small ( fig . 29 ) . 19. Crenulations ...
... Venter of basis capituli with transverse wrinkles ( Eastern States ) Venter without transverse wrinkles ( United States and British Columbia ) Hypostome not notched apically ; spiracular plate small ( fig . 29 ) . 19. Crenulations ...
Common terms and phrases
__do_ _do_ _do_ _do_ absent anal angustus Auriculae Banks base basis Body broad broadly rounded brunneus California capitulum and scutum Cervical grooves Citellus Collection Combined length convergent convex cookei Cornua County coxae curved denticles depressed distinct DISTRIBUTION divergent dorsal dorsum edges elevated equal External faint female FIGURE Genital aperture Goblets hairs HOSTS Hypostome impunctate inner faces Internal spur irregular Ixodes July June larger Lateral carinae lateral margins Length of tarsus longer axis Male marmotae median Metatarsus and tarsus middle mildly moderate narrow nearly straight Neotoma Neumann numerous Nuttall Nymph Nymph capitulum oval Palpi pointed posterior margin present punctations reaching rounded salient Scapulae scapularis sculptus shining short sides slightly smaller species specimens Spiracular plate squirrel Surface smooth transverse usually venter ventral plates ventral view visible wide wider widest width width of basis