194SJ 
Wharton — New Peruvian Chiggers 
95 
prong; segment 5 with one spur, 2 basal and 3 apical 
feathered setae, and a large feathered dorsal seta. Galeal 
seta nude. No stigmata or tracheae present. 
Legs: Coxae I and II contiguous, III separated by its 
own width from II. All coxae with a single feathered seta. 
Leg I with a pair of genualae with a microgenuala between 
Fig. 3. Trombicula biops n. sp. A, dorsum; B, venter; C, dorsal view of 
gnatliosoma; D, ventral view of gnathosoma; E, scutum. (Magnification 
of each figure, indicated by the line assoicated with the figure, represents 
50 microns.) 
them ; two tibialae in tandem with a microtibiala between 
them; a spur with a micro spur half the length of the spur 
anterior to the base of the spur ; subterminala with small 
parasubterminala arising from an independent setal base ; 
one pretarsala. Leg II with one genuala, two tibialae, 
a spur and microspur, and pretarsala. Leg III with a 
