si 



Ptilium obscurum. 



/'. obscurum, Matthews, Cist. Ent. ii. p. 171, 1877. 



L. c. ftf lin. = 0*75 mm. Ovale, convexum, piceum, pilis sal Ion 

 Ba< dense vestitam ; capite magno, antice obtuso, tuberculia parvis, ordinibua r< 

 interstitiisque nitidissimis, leviter reticulatis, ornato magnis, haud 



prominentibus ; pro* ma •■ ri, ad basim o, tuber- 



culis magnis, ordinibua fortiter sinuatis, ii isqui aitidissimiB, leviter reticu- 



latis, ornato, lateribus leviter rotundatis, mat -ali leviter rotundata, angulis 



obtusis ; elytris sat brevibus, pronoto haud Longioribus, vix latioribus, 



ad humeros pronoto angnstioribu media latissimis, ordinibua sinuatis, pro- 



funde aspi ratis, lateribua margin tdatis, a] ne rotun- 



datis, late dilutioribus : abdominis pygidio solo < xserto : pedibus late flavis; antennis 

 modicis, tla\ is, articulo secundo incrassato. 



/.' >dy oval, convex, piceous, rather thickly clothed with grey hair. 



Head large, obtuse in front, ornamented with small tubercles in straight ro 



interstices shining and lightly reticulated ; rather large, not prominent; 



antenna' moderate, yellow, with the Becond joint enlar 

 Thorax large, longer and broader than the head, widest at tin base, ornamented 



with large tubercles in strongly sinuated rows, int. irery shining ami 



lightly reticulated, Bides Blightly rounded, basal margin slightly rounded, with 



tin angles i 

 Sculellum Bhort, obtusely triangular, moderately aspi rated. 

 Elytra rather short, not longer and scarcely broader than the head and thorax, 



narrower than the thorax at the Bhoulders, widest behind the middle, deeply 



asperated in wavy rows, sides margined and slightly rounded, extremities very 



much rounded and broadly pi 

 Abdomen with the pygidium only expo 

 Legs moderate, bright yellow. 

 Under parts pitchy castaneous, with the mouth, coxae, margin of the metasternum, 



and terminal segments of the ven >w. 



Differs from /'. urn in its . thorax wi margin, and 



colour; and from /'. i olumbianum in it- rm, broader 



and much shorti c bi ad and thorax, Bhort 

 Habitat, North America. Found in a fungus by .Mr. (.. R. Crotch in British 



C'duuibia. 



Ptilium Columbianum. 



/'. Columbianum, Matthews. Cist. Ent. ii. !>• 169, l s 77. 



L. e. I ' li lin. (i - 87 mm. — Elongato-ovale, convexum, ferrugineum, vel • 

 taneum, piha Savescentibus, -at dense vestitum : capite modico, antice triangulariter 

 elongato, tuberculia ordinibua transversis ornato; oculia magnis, prominentib 

 pronoto sat parvo, capite parum breviori it angusl im aliquantum lal 



Bimo, tuberculia sat magnis, distinctis, irregulariter dispositis, i nitidis. 



vix reticulatis ornato, lateribus marginatia el valde rotundatis. margiue bas 

 rotumlata, levitt c n flexa, nitida, angulis rotundatis ; elytn ali- 



pite atque pronoto fere duplo longioribus, parum latioribus, pone media 

 latissimis, ordinibus distinctis, fortitei Bit jperatis, lateribus leviter mai 



uatis et leviter rotundatis, apicibus latis, parum rotundatis ; abdominis 

 sol" : pedibus longis, late flavis; antennis prselongis, gracilibus, late tla 



Body elongate-oval, convex, ferruginous or castaneous, rath c thickly clothed with 

 flavescent hair. 



