20 J. L. LECONTE, M. D. 



^ PYKOPYGA Motsch. 



P. simplex. — Elongate-oval, entirely black. Prothorax broadly flattened 

 and slightly punctured at sides and tip, flattened part reflexed ; disc alutaceous 

 with very indistinct dorsal line. Antennae with the joints 3-11 equal in length. 

 Liglit-organs entirely wanting. Length 8 mm. 



Arizona, one pair Mr. Morrison. Rather broader than 1*. nigricans 

 with the sides of the elytra more widely flattened. 



LA^UPKOillZA Motsch. 



Li. Riversi. — Front wide, eyes moderate in size, convex. Antennae 11- 

 jointed, 1st and 2d joints equal, together as long as the 3d, the following ones are 

 equal in length, but gradually narrower. Abdominal segments strongly lobed at 

 the sides, last dorsal of male truncate and broadly emarginate. Prothorax with 

 two small transparent spots near the tip; rather strongly punctured, sides opaque, 

 broadly flattened and reflexed ; disc shining, uneven, sub-carinate. The last two 

 ventral segments are yellowish, but dull, so that they may or may not be light- 

 organs. Body above black, prothorax dull reddish yellow, ^\ ith a black dorsal 

 spot from the middle to the base. Last dorsal segments piceous, dull testaceous at 

 the sides, last two ventrals yellow. Elytra strongly scabrous-])uiiotured. Length 

 4.5 mm. 



One male Sonoma Co., Cala., Mr. J. J. River.s, of" the University of 

 California, to whom I dedicate it in recognition of his promotion of Sci- 

 entific interests on the Pacific coast. 



This insect greatly resembles L. inaccensa, but is narrower. 



MICKOPIIOTUS Lee. 



M. angustus Lee. A female of this species, undistinguishable 

 from those collected in Colorado, Oregon and California, was found by 

 Mr. Hubbard at Ilillsboro', Fla. 



PI.EOTOMUS Lee. 



P. iligripeiiiiini.— Of the same form and sculpture as P. paljens, but of a 



bright orange color. Prothorax a little longer with the apex less obtusely rounded. 

 Elytra black. Length ]3 mm. 



One male, Arizona, Mr. Morrison. 



SPATHIZUS Lee. n. g. Lampyridiv. 



Male. — Antennae three fourths as long as the body; joints 3-1 1 each furnished 

 with a long flat process, the outer ones being longer, and narrowed at base; lltli 

 similar to the process of the 10th. Head as broad as the prothorax, eyes moderate 

 convex; maxillary palpi with the last joint pointed, as long as the preceding. 

 Prothorax quadrate, margined at the sides from base to tip. Elytra dehiscent, 

 narrrow and rounded at apex, scabrous-punctured. Legs short, claws divaricate 

 small, broader at base. Sixth ventral broadly emarginate, genital segment small, 

 and prominent, slightly narrower at base; last dorsal truncate and emarginate. 



