INSKCTS Al'FECTINC, PARK AND WOOULANI) TKI-.KS 4S9 



This species was found on the sliorcs of Lake Superior 1)\ i )r 

 LeCoiUe, is rcporlccl from ( )tla\va Can., In Mr 1 iari-iiiL;lon, ami I )r I lain- 

 ikoii states that it is rare in soutiiwestern Pennsylvania. Il has alscj i)een 

 listeil from Mt \\'ashinL;ton, by Mrs Slosson. 



Dermestes pulcher Lee. 



.\ lirown-licadcd, hhu k-\vinL;(.'il. rather stout hct-tle about '4 inch loni;, was bred Ironi 

 larvae i.iken I rom a liollow oak. 



This species, accortlini^' to |a\ne. may he e.isily recoirnizcd l)y jis i,a-n- 

 eral red color and almost entirely black winj,^ covc-rs. the tiattened thora.K 

 with two basal foveae, and the absence of abdominal sjjots and white rintjs 

 on the femora. lie records this species from the Southern, .Middle and 

 Western States. It must be rare in southwestern Pennsylvania, since 1 )r 

 Hamilton met with onl\ two specimens. It has been listed also trom the 

 \icinit\- of HiilTalo X. N . and Cincinnati (). 



Ditoma quadriguttata Sa\. This minute, black and reddish beetle 

 occurs in earl)- spring tnuler deatl bark of beech stum[)S. It is about ^ 32 

 inch lon^r. Head and thora.x almost entirely black, coarsely punctured witii 

 conspicuous lateral ridi^res on the latter. The wintj covers have an oi)li(|ue, 

 reddish stripe at tlie l)asc of the winters, a similar spot near the middle and 

 a smaller one at the posterior third. These organs are conspicuously 

 striated and with coar.s(?, distinct putictures between the ridges. 



Mycetochares binotata Say. This species occurs under poplar bark. 



Cerylon castaneum .Say. This minute, reddish, rather flattened beetle 

 occurs under dead bark of maple stumps in early s|)ring. It is about ' ,0 

 inch long, the head somewhat rounded, the thorax rather irregularly piuic- 

 tured and the wing covers finely striate with series of confluent punctures. 



Silvanus imbellis Lee. This minute, slender, grayish brown beetle' 

 occurs sparingly under the dead bark of beech and maple in early spring. 

 It is about Vs inch long, slender, the head and thorax grayish, rather thickly 

 and irregularly punctured ; the wing covers distinctly striate with a series of 

 nearly continent ])unctures. 



Catogenus rufus Fabr. This tlark, reddish, somewhat flattened beetle 

 has been taken uncUtr dead elm bark in May. It is nearly '.^ inch long with 

 conspicuous moniliform antennae. The head and thorax are finely and 

 irregularly punctured and the wing covers marked by a series of deep 

 grooves and with the humeral angles continifeil as a conspicuous ridge their 

 entire length ; costal margin strongly sinuate. 



Cucujus clavipes Fabr. This flattened, bright or dark reddish beetle 



