1290 FAMILY i-viii. — melandkvid.t:. 



1\'. Pentiie Newni. 1838. (Gv., "'in nionrning. ") 



It comprises two inediuiu-sized velvety-l)l;u'k, tlattcued oval spc- 

 cies, having the front coxal cavities widely open behind; antenn.-- 

 not thickening externally, the third joint as long as the fourth and 

 fifth together, joints 7 to 10 rounded, 11th a little k)nger and pale 

 at tip ; front coxa^ oval, not prominent, separated by the presternum. 



*23S4 (7G49). Penthe obliquata Ftib., Syst." Elent.. I. 1701, 1(52. 



Broadly oval, subdepressed. Velvety black, feebly shining ; scutelluni 

 covered with long, orange yellov hairs. 'J'horax more than twice as wide 

 as long, hind angles reetangnlar ; sides nearly parallel on basal half, thence 

 ronnded to apex, base bisinnate; surface densely and luiely grannlate-]innc- 

 tate and with a deep oblong impression each side near base. Elytra with 

 closely placed rows of dee]), ronnd pnnctures; intervals narrower than the 

 rows of pnnctnres, densely granulate-pnnctate. Lengtli 11.5-14 mm. 



Throui;hout the State; common. April 12-Deeember 5. Occurs 

 on woody fungi and beneath l)ark of decaying wood. 



*23S5 (7650). Penthe timet ia Fall.. Syst. Elent., I. 1701, 40. 



Readily known from the preceding by having the scntellnm Idack, not 

 orange j^ellow. The thorax is slightly shorter and wider, its hind angles 

 much more acute and surface densely and more or less confluently punc- 

 tate without granules. Length 10-14 mm. 



Throughout the State; more common than ohliquata. February 

 23-December 8. Both species are gregarious in winter, and hiber- 

 nate beneath partly buried logs, especially those of beech in open 

 upland woods. 



Tribe III. SYNCHROIXI. 



To this tribe, as limited in the key, belongs the single genus 



V. SvNciiKOA Newm. 1838. ((Ir., "uniform in color.") 



This in turn is represented in tbe eastern United States by a 

 single brown species having the he^id prominent and horizontal ; 

 maxillary palpi moderate in length, but slightly dilated; antenna 

 long, slender and feebly serrate, the second joint one-third the 

 length of third, the latter slightly longer than fourth; tarsi filiforn], 

 claws simple ; tibial spurs long. 



23SG (7651). Synciiroa ptnctata Newm.. Kntom. Mag.. V, ISSS. :>7S. 



Elongate, slender. Dark brown, rather densely clothed with ash-gray 

 pubescence; antenna^, tibi.'p and tarsi paler. Thorax one-half wider at base 

 than long, sides nearly straight, converging from base to ai)ex; hind an- 

 gles subacute; surface finely and rather sparsely punctate and with a deep 

 impi'ession each side near base. Elytra with a sntural groove on a])ical 

 third; surface finely, sjiarsely and irregularly i»unctate. T>ength 10-11 nun. 



