105 



Ptenidium speculifer. 



P. tpecuUfer, Matthews, Trans. Am. Ent. Soc. xi. p. 151, 1884. 



L. o. , s ,, lin =1 mm. Ovale, valitlissime convexum, glaberrimum, nitidissimum, 

 pilorum expers, pici am, elytria rufescentibus ; capite sat magno, lato, ft ;ula 



prope oculum utrumque impresso ; oculis magnis, prominentibus ; / modico, 



capiti -;it longiori atque latiori, ad medium latissimo, puncl is dense 



dispositis, et foveis duabua parvis prope marginem anteriorem atque eiiam prope 

 basim impn jo, lateribus valde rotundatiB et leviter marginatis, margine basali f< 

 recta, angulie Bal ol tush ; ■ lytris modicis, capite a moto parum longiorib 



vix latioribus, ante media latissimis, validissime convexis el aitidissimis, pum 

 perexiguis dense impressis, lateribua rotundatiB, leviter marginatis, apice obtuBO, 

 dilution ; pedibua atque antennis sat gracilibus, late ilavis. 



v oval, exceedingly convex and very shining, without hair, piceous, with the 



elytra rufescent. 

 Head rather large and broad, with a small fovea on each side mar the e\ 



large and prominent; antenna? rather slender, bright yellow; palpi bright 



yellow. 

 Thorax moderate, rather longer and rather broader than the head, widest at the 



middle, closely marked with very minute- punctures and with two small fo 



near the anterior margin and also near the basal margin, sides much rounded 



ami slightly margined, apex obtuse and pale. 

 ScuteUum large and broad, triangular, smooth and shining. 

 Elytra moderate, rather longer, but scarcely broader than the head and thorax, 



widest before the middle, exceedingly convex and very shining, closely marked 



with very minute punctures, sides rounded and slightly margined, apex obtuse 



and pale. 

 Abdomen with the apical segment pale. 



I is rather slender, bright yellow, with the anterior tibiae dilated towards the apex. 

 Undt )■ parts rufo-piceous, mouth and coxaB yellow. 

 Differs from /'. obesum in its larger size, longer antennas, and peculiar arrangement 



of the thoracic fovea?. 

 ll.ihit.it, North America. Found by Mr. E. A. Schwarz near Cambridge, 



Massachusetts. 



. XXI.-CAMPTODIUM.— P... XIV. 



Camptodium, Motschulskv, Bull. Mosc. xli. 2, \>. 1S9, 1868; Matthews, Cist. 



Ent. iii. p. 82, pi. iv. 1S84. 



( 'orpus capite atque pronoto angustatis, elytrif tis. 



Caput deflexum, saf parvum, antice parum rotundatum; oeulis magnis, va 

 prominentibus ; antennis sub clypeo sat longe ante oculos insertis. 



Antenna (PI. XTV., £ i bb, gracillimaB, 11-articulatsB : I et 2 permagnis, pariter 



longis; 2 ad ipicem abrupte truncate ; '■'• 8 -ovalibus, tenuibus, sibi- 



ipsia paribus; :• octavo longiori, modice Lncrassato; in nono multo maj 

 a. i basim valde et ovaliter incra.-sato, antiee in collo praelongo, tenuissimo 

 producto; 11 magno, longo, ad basim valde in. lium fori 



constricto, et antice multum attenuate; tribua bisce ultimis corona mediali 

 setarum ornatis, atque clavam elongatam, submoniliformem formantibus. 



Part s nulla- oris i \aminata . 



Pronotum angustum, basim versus leviter constrictum. 



ScuteUum modicum, elongato-triangulare. 



Elytra magna, integra, turgide infiata. 



.1/,/ longa-, lanceolataa, prjelongis, nigris fimbria! . 



atque nervia aolitie linn ■ 



i- 



