532 CALIFORNIA ACADEMY OF SCIENCES. 



Menopon melanorum n. sp. (Plate lxxiii, fig. i.) 



Taken on a Towhee, Pipilo erythrophthalmus (Law- 

 rence, Kansas). 



Description of female. Body, length 1.37 mm., width 

 .56 mm. ; pale golden brown, with black occipital margin 

 of head, blackish brown ocular blotches and mandibles, 

 and brown transverse abdominal blotches distinct only 

 laterally. 



Head, length .31 mm., width .47 mm., rather long in 

 comparison with its width for Menopon; front rounded, 

 with usual few short hairs in front of barely projecting 

 palpi, and two longish ones in front of ocular emargina- 

 tions; the emargination distinct, shallow, and with ocular 

 fringe; temples broad, rounded, with a few hairs of dif- 

 ferent lengths, including at least one very long hair; 

 occipital margin concave, straight in middle, with two 

 longish and two short hairs; occipital margin narrowly 

 but conspicuously bordered with black; indications of 

 widely separated, translucent, occipital bands, convex 

 outwardly; ocular blotches small, narrow, linear, curv- 

 ing, blackish in middle, paling at each end; a small black 

 ocular fleck; a brown spot on margin outside of each 

 mandible, and connected with mandibles by indistinct 

 brownish bands. 



Prothorax -with slightly produced blunt lateral angles 

 bearing three spines; nearly straight posterior margin 

 with four longish hairs; the chitin bars indistinct, no 

 blotches. Metathorax with slight lateral emargination, 

 and indications of suture between meso- and metathorax ; 

 metathorax with a spine and very long hair in posterior 

 angles, and eight weak hairs along the posterior margin, 

 four on each side of the bare middle part; anterior 

 angles of mesothorax dark brown; otherwise both seg- 

 ments unicolorous, concolorous with pale ground color 



