C. Warburton 
405 
grooves. This enlargement is often detached, and is generally the 
most conspicuous part of the ornamentation, persisting when the rest is 
nearly obsolete. In A. gervaisi var. lucasi the lateral blotches barely 
reach as far forward as the cervical grooves, the scapulae being quite 
destitute of metallic markings. The respective females differ less 
obviously, but it is not difficult to distinguish them. The scutum of 
the type has larger punctations, larger metallic blotches, and is usually 
rounded posteriorly. That of A. lucasi is truncated or even slightly 
indented posteriorly and the punctations and metallic blotches are 
smaller’. These and other differences may be exhibited thus in tabular 
form : 
Male. 
A. gervaisi. 
Broad-oval, broader than long, some¬ 
what narrower in front, rounded 
posteriorly. 
Punctations normally large, often re¬ 
ducing the metallic blotches to mere 
reticulations. 
Anterior portion of lateral blotches on 
a level with cervical grooves. 
Basis capituli sub-pentagonal and 
without cornua. 
Coxae I with two very slight dark 
points near together^. 
A. gervaisi var. lucasi. 
About as broad as long, the broadest 
part more posterior. Posterior bor¬ 
der nearly straight. 
Punctations small. 
No scapular metallic markings. 
Basis capituli more triangular, and 
with slight cornua. 
Coxae I more distinctly bifid, the 
points being stronger and more 
separate. 
Female. 
Scutum with large punctations and 
large metallic blotches; rounded 
posteriorly. 
Basis capituli sub-pentagonal, without 
cornua. Porose areas rather large 
and near together. 
Scutum with smaller punctations and 
blotches; often truncate or slightly 
indented posteriorly. 
Basis capituli more triangular and 
with slight cornua. Porose areas 
smaller and further apart. 
APONOMMA GERVAISI (Lucas). 
Ixodes gervaisi, Lucas, Bull. Soc. ent. Fr. v. p. xcix, 1847. 
Ainblyomma arcanum, Karsch. 
Ophiodes ophiophilus, Murray. 
Ophiodes gervaisi, Murray. 
Ixodes varanensis, Supino. 
1 Neumann (foe. cit.) says “une seule 6pine, courte, a toutes les hanches,” but both 
forms show faint traces of two dark points on coxa I. 
