October, 1844.] 117 



often disposed in small spots, and most numerous behind the base : beneath 

 blackish, or dull reddish-brown, partially clothed with ashy scales. Occurs in 

 profusion on tho blossoms of Castanea pumila. 



3. A. thoracicus. Black ; thorax each side broadly white squamulose ; elytra 

 with a largo lateral white spot. 1 1. long. Pennsylvania. 



Anthrenus thoracicus, Melsh. Catal. 



Black ; head with a few scattered white scales : antennae and feet dull rufous, 

 or dark reddish brown : thorax densely and broadly covered at the sides with mi- 

 nute whitish scales : elytra with the lateral margins each with a large white 

 squamulose spot, occupying one-third of the side, and extending almost to the 

 suture, on which is a common, short linear spot behind the middle, and a simi- 

 lar but shorter one before the apex, ochraceous : pectus partially, and venter en- 

 tirely covered with small, white scales ; lateral margins of the venter with small 

 blackish spots. 



Byrrhidse, Leach. 



Stncalypta, Dillwyn. 



S. hispidus. Castaneous, hispid ; antennae and feet red-brown. 1| 1. long. 

 Pennsylvania. 



Chestnut-brown, fuscous hispid : head blackish, somewhat wrinkled, very 

 finely and distantly punctured : thorax punctured like the head : elytra darker 

 than the thorax, glossy, with very fine vicinal punctures : beneath glabrous. 



Birrhus, Fabr. 



1. B. trivittatus. Blackish-brassy ; elytra with three broad green vittae. 3 1. 

 long, 2 1. wide. Pennsylvania. 



Byrrhus varius, Steff. Germ. Zeitsch. IV. 28. 23 ? 



Body short-ovate : head cupreous, confertly and profoundly punctated and some- 

 what wrinkled, with a transverse angulatcd line between the antennas, being 

 more or less obtuse and obsolete : antennae blackish : thorax cupreous as the 

 head, densely, minutely and profoundly punctured, and with numerous trans- 

 verse wrinkles towards the base and posterior angles : scutel obtuse-triangular : 

 elytra brown-brassy, very minutely shagreened, finely punctate-striate, with the 

 spaces broad, slightly elevated, flat, the three inner ones green, the sutural 

 one abbreviated towards the middle ; apex obtusely rounded : beneath black : 

 feet dark fuscous. Does not satisfactorily agree with any specimen of varius: 

 Fabr. in my collection. 



2. B. undatus. Dark fuscous : elytra with two common transverse, undu- 

 lated white lines on the middle. 2 l-5th, 1. long, 1§ 1. wide Pennsylvania. 



Byrrhus murinus, Melsh. Catal. — Steffany. Germar Zeitschrift Vol. IV. p. 

 24, No. 19 1 



Short-oval, very dark fuscous, tomentose and short, black hirsute : head mi- 

 nutely wrinkled : palpi piceous : thorax very short, greatly attenuated anteriorly, 

 with the base and apex bisinuate ; surface strongly shagreened ; two short linear 

 impressions in front of the scutel ; an obsolete medial groove : scutel deep black 

 tomentose : elytra closely and faintly striate, the interstices narrower than the 

 striate spaces, black tomentose, particularly the three inner ones ; two common 

 transverse white lines on the middle, not attaining the lateral margins and con- 



