240 INSECTS AFFECTING DOMESTIC ANIMALS. 
Trichodectes tibialis Piaget. 
Les Pédiculines, p. 399, Pl. XXXII, fig. 6. 
I have referred to this species some specimens from the black-tailed 
deer (Baker collection). 
Fig. 147.—Trichodectes tibialis: a, female; 6, male—enlarged (original). 
They do not agree absolutely with Piaget’s description or figure, but 
until a more critical study can be made or 
additional material collected it may rest 
here. 
Trichodectes parallelus n. sp. 
Head large, abdomen rather narrow, hind border 
mesothorax and metathorax straight. 
Head large, clypeus slightly concave, a few 
short hairs on front border, antennal angles very 
prominent; antenne long, reaching beyond hind 
border of head, first joint slightly enlarged, sec- 
ond and third about equal, third slightly curved ; 
temporal lobes quadrate; lateral angles rounded; 
occiput straight; occipital bands parallel. 
Prothorax and metathorax equal in length, 
metathorax a little wider, prothorax with sides 
curved; metathorax with sides straight; in both, 
posterior border straight. 
Legs slender, claws long, slender. 
Abdomen narrow, entirely corneous, segments 
straight and equal, no dusky transverse bands, 
spiracles conspicuous on 2 to7, bordered especially 
in front with dark brown or blackish; hairs at 
* 
Hel ysrp yy 
bse 
Fie. 148.—Trichodectes parallelus:; 
female—enlarged (original). 
