308 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 99 



posterior pair of squamiform setae. Legs relatively long, about 260jt* 

 in length. Tarsus I, 4:7 fi long; tibia I, 60/i long; tarsus similar to 

 that of Cheletogenes oaklandla; tibia, however, with onl}' a single 

 squamiform seta. Length of boch^ 3GG/n, including rostrum 533^; 

 width about 260/x. 



Type hahitat. — Crawling in tent. 



Type locality. — Assam, Stillwell Eoad, near Ledo at 12.4-mile mark. 



ry;?e.— U.S.N.M. No. 1778. 



The single female was collected by members of the United States 

 of America Typhus Commission in 1945. 



The dorsal shields and palpi distinguish this species from others in 

 the genus. 



CHELETOGENES BUCKNERI, new species 



Plate 15, Figures 123-125 



Female. — Medium-sized mite, somewhat elongated, with narrow 

 rostrum. Femur of palpus II/2 times as long as wide, with a dorsal, 

 slightly broadened serrate seta and 2 simple ventral setae, the lateral 

 seta missing; genu with a simple dorsal seta on posterior margin; 

 palpal claw with 6 basal teeth ; outer comb broad, with 12 teeth ; inner 

 comb about one-half as long as outer comb, with about 9 small teeth. 

 Rostrum widening toward rear ; rostral shield outline indistinct, with 

 a pattern of longitudinally lined areoli; peritreme simple, composed 

 of long slender segments. Propodosomatic shield rounded, narrowing 

 toward rear, with a single pair of eyes, and five pairs of squamiform 

 serrate marginal setae ; inside shoulder setae is another pair of setae. 

 Hj^sterosomal shield in center of hysterosoma, rounded anteriorly, and 

 slightly pointed toward rear, with two pairs of marginal setae; six 

 other pairs of dorsal setae on body off shield as figured. Both shields 

 with areoli. Anal and genital setae simple. Legs short, I and IV 

 166/t long. Tarsus I, 45/a long; tibia I, 37ja long; tarsus similar to 

 that of Cheletogenes oaklandia., but sensory seta shorter, guard seta 

 simple, short; tibia with rodlike sensory seta and four simple setae of 

 medium length. Length of body 320/*, including rostrum 413ju, ; width 

 200/A. 



Type hahitat. — On lemon fruits. 



Type locality. — Santa Paula, Calif. 



Type.—V.^.'^.U. No. 1774. 



The type was collected under the button of a lemon fruit, February 

 23, 1939, by E. W. Baker; paratype with same data but collected 

 March 25, 1939. Anotlier paratype collected on same host and locality 

 October 29, 1938, by W. E. Buckner. 



The shields, mouth parts, and tarsal-tibial setal arrangements are 

 distinctive. The tibia I setae are simple, rather than narrowly clavate 

 as in Cheletogenes quadrisetosus Berlese. 



