66 



Trichopteryx Californica. 



T. Californica, Matthews, Cist. Ent. ii. p. 174, 1877. 



L. c. •/ c — I 8 T j lin. = 0*87-1 ram. — Oblonga, sat convexa, castanea, nitida, pilis 

 brevibus aureis vesl ita : capiU magno, lato, tuberculis minutis, interstitiisque nitidis, 

 ornato; oculis baud prominentibus; pronoto magno, convexo, capite panim lon- 

 giori, multum latiori, ad basim latissimo, piceo-castaneo, angulis late atque 

 lateribus flavescentibus, tuberculis minutis, ordinibue irregularibua dispositis, 

 interstitiisque nitidis, confertim reticulatis, ornato, lateribus marginatis et rotun- 

 datis, margine basali profunda Binuata, angulia acutissimis, longe productia ; elytris 

 oblongis, rufo-castaneis, sutura dilution, eapite atque pronoto aliquantum et angus- 

 tioribus, et longioribus, ordinibua sinuatia confertim asperatis, interstitiia nitidis, 

 lateribus rectis, fere parallelis, sutura postice elevata, apicibua latis, parum rotun- 

 datis; abdomine sal exserto, obtuso, apice tridentato; pedibus gracilibus, hute 

 llavis : antennis longis, gracilibus, late flavis. 



Body oblong, rather convex, Bhining, eastaneous, clothed with Bhort golden hair. 

 Head large and broad, ornamented with minute tubercles, with the interstices 



Bhining; ryes not prominent; antennas long and Blender, bright yellow. 

 Thorax large, convex, rather longer and much broader than the lead, widest at the 



base, pitchy-castaneous, with the angles and sides tlavescent, ornamented with 



minute tubercles in irregular rows, interstices shining and closely reticulated, 



sides margined and rounded, basal margin deeply sinuated, with the angles 



much produced and very acute. 

 Scutellum large, closely asperated. 

 Elytra oblong, rufo-castaneous, with the suture paler, slightly narrower and longer 



than the head and thorax, closely aspirated in wavy rows, with the interstices 



shining, sides straight, nearly parallel, suture elevated posteriorly, extremities 



broad and slightly rounded. 

 Abdomen rather long, obtuse, tridentate at the apex. 



/."/.s- i Ii rate, rather slender, bright yellow. 



Under parts piceous, mouth, coxa, and posterior margin of the metasternum 



yellow, metasternum deeply reticulated. 

 Differs from '/'. Lethierryi in its much smaller size, longer elytra, shorter legs, 



fainter sculpture, and shorter pubescence. 

 Habitat, North America. Found in California by Mr. G. E. Crotch. 



Trichopteryx castanea. 



T. castanea, Matthews, Cist. Ent. ii. p. 173, 1877. 



L. c , 7 , lin. = 0'87 mm. — Oblonga, convexa, rufo-castanea, sat nitida, pilis 

 aureis dense vestita ; capite modico, antice producto, tuberculis minutis, inter- 

 stitiisque reticulatis ornato; oculis baud prominentibus; pronoto modico, capite 

 longiori el latiori, ante basim latissimo, tuberculis parvis, ordinibus sinuatis 

 dispoaitis, interstitiisque nitidis, profunda reticulatis, ornato, lateribus rotundatis 

 et marginatis, margine basali depressa, Binuata, angulis acutis, longe productis, 

 late flavia ; elytris oblongis, convexis, translucidis, capite atque pronoto longioribus, 

 hand latioribus, sat profunde asperatis, interstitiia reticulatis, lateribus marginatis, 

 fere parallelis, apicibus latis, rotundatis ; abdomine sat longe exserto, obtuso, apice 

 minute bidi atato ; pi dibus robust is, late flavis; antennis longis. sat robustis, arti- 

 culis duobus basalibus permagnis, late llavis, reliquia dilutioribus. 



Body oblong, convex, rufo-castaneous, rather shining, thickly covered with golden 



hair. 

 Head moderate, produced in front, ornamented with minute tubercles, with the 



