592 



F ATVTTLY XXIV. DERMESTIDJE . 



safe. It is said that an entire generation of the beetle may be 

 developed in six weeks, so under proper conditions of warmth and 

 food supply the increase of the insect will be very rapid. 



D. elongatus Lee, length 9 mm., is a southern and western spe- 

 cies which has been recorded from near Cincinnati. 



- 



III. Attagenus Latr. 1802. (Gr., "a woodcock.") 



Small oblong species clothed with rather sparse, dark pubes- 

 cence, having the antenna? 11 -jointed ; hind coxal plate long, narrow 

 and prominent ; mesosternum narrow and emarginate. 



1129 (3434). Attagenus piceus Oliv., Ent. Hist. Nat.. II, 1TS9. 9. 



Oblong, subconvex. Head and thorax black; ely- 

 tra dark reddish-brown to piceous or black, clothed 

 with short, sparse pubescence. Thorax coarsely punc- 

 tate, base bi sinuate with a slight impression before the 

 scutellum. Elytra more finely and densely punctate. 

 Last joint of male antennal club as long as the entire 

 remainder of antennae, pointed at the end. Length 3.5- 

 5 mm. (Fig. 224.) 



Throughout the State; frequent in the south- 

 ern counties, less no northward. March 16-Au- 

 B U n g '4 2 KSer A Dh'. Int^u.' gust 26. A common museum and household pest 

 s. Dep. Agr.j often found on windows while trying to escape. 



It is known as the "black carpet beetle," and the larva? often do 

 much damage to carpets, silk and woolen goods, feathers, etc. The 

 same remedies may be used as are given for the Buffalo carpet 

 beetle on a succeeding page. Taken also on flowers of wild parsnip 

 in July. 



IV. Dearthus Lec. 1861. 

 One small oblong black species represents this genus in the State. 



1130 (3438). Deartheus longulus Lec, New Spec. N. Amer. Col., I. 



1863, 73. 



Narrowly oblong-oval, moderately convex. Black or piceous, clothed 

 with short dark pubescence; under surface and legs dark reddish-brown 

 to piceous, clothed with sparse gray hairs. Thorax nearly twice as wide 

 as long, distinctly narrowed from base to apex, sides evenly and feebly 

 curved, base broadly and feebly lobed and bisinuate; disk rather coarsely 

 but not densely punctate and with a short, fine median line. Elytra coarsely 

 but not closely punctate. Last joint of male antenna? almost three times 

 as long as the two preceding united, obtuse at end. Length 2.5 mm. 



Marion and Posey counties; scarce. May 3-May 8. Beaten 

 from flowers of the red haw, Craiwgus punctata J acq. 



