36 U.S. NATIONAL MUSEUIVI BULLETIN 2 79 



14 to 16 sensory spots. Hypopharynx with smaller distal area usually 

 with 2 sensory spots distad of transverse row of about 12 to 14 sensory 

 spots. Maxilla with lacinia with 3 unci and about 17 to 22 marginal 

 setae. 



Prothorax with about 1 to 3 setae on anterior lateral lobe and 

 about 2 to 4 setae on posterior lateral lobe. Infraepisternal area usually 

 with 1 seta; infraepimeral area usually with 2 setae. 



Mesothorax with about 25 to 30 setae on lateral lobe. Infraepisternal 

 area with about 2 to 4 small setae; infraepimeral area with about 5 

 to 7 long setae. 



Metathorax usually with 2 to 4 setae on anterior lateral lobe and 

 about 5 to 10 setae on posterior lateral lobe. Infraepisternal area 

 usually with about 2 to 4 small setae; infraepimeral area with about 

 6 to 8 long setae. 



Abdomen (dorsal aspect) with DLl of segments 1 through 4 with 

 transverse band of about 25 to 50 spinules. DL3 with transverse row 

 of about 6 to 17 spinules. Segment 7 with transverse band of about 

 34 to 43 spinules on DLl. DL2 with about 2 to 7 small spinules plus 

 transverse row of setae. DL3 with about 2 to 7 scattered, small setae. 



Abdomen (lateral aspect) with segments 1 to 8 usually with about 

 1 to 3 setae on LLl; with about 3 to 7 setae on LL2; with about 1 

 to 3 setae on LL3. 



Trox variolatus Melsheimer 



Trox variolatus Melsheimer, 1846, Proc. Acad. Nat. Sci. Philadelphia, vol. 2, 

 p. 138. 



Description based on the following material. Twenty-one larvae 

 reared from adults collected under a mohair bait near Kerr\dlle, Kerr 

 Co., Tex., September 29 to October 1, 1964, by Larry J. Bottimer. 

 LI : head capsule width 1 .36 to 1 .43 mm. ; 4 specimens. 

 LII: head capsule width 1.73 to 1.83 mm.; 4 specimens. 

 LIII: head capsule width 1.98 to 2.30 mm.; 13 specimens. 



Description of Third Stage Larva 

 Figure 2 



Cranium yellow brown to brown; with about 5 to 7 long setae near 

 each antenna. Postclypeus with 1 long and 1 short seta on each side. 

 Epipharynx with about 6 stout marginal setae on each side of corypha. 

 Haptomerum with 2 smaller sensory spots distad of 2 larger, setiferous 

 sensory spots. Haptomerum also with 2 setae on each side caudolaterad 

 of sensory area; anterior setae smaller and closer together. Anterior 

 region of pedium usually with 4 smaller sensory spots distad of arching 



