INSECTS AKFKCTINC; PARK AND W (i( )1)1.AN I) IKKKS 495 



Mycetophagus punctatus Say 

 This somewhat elongate beetle, brightly MKirke,! with re.ldish brown and bl.i. k, 

 nearly '4 in< h loni;, infests soft fungi of basswood in June and Jidy. 



riic month pans and extremities of the antennae are rufous, the 

 mKklle portion of the hitter f)ein£r bhick. The eyes are slightly emar-i- 

 nate, romided, coarsely ^^ranuhate ; hal^rum, dorsum of head and prothorax 

 l)lack, coarsely pimctm-.'d. Ihe vvino- co\ .-rs have a lar.i,^-, l.lack scutellar 

 spot and are marijined laterally with the same color, from which th.re 

 extends near the middle a conspicuous lobe; near the posterior extremity 

 there; is a broad, somewhat irreoular black band across the wint,^ covers. 

 These or^^ans are rather hnely striate with coarse pimctures and clothed 

 with a short, rather coarse pubescence. 



Mycetophagus flexuosus Say 



This rather narrow, elongated, oval beetle .onspieuouslv n,arke<l with blaek and 

 reddish, infests soft fungi on basswood in June. 



The; mouth parts and the extremities of the antennae are reddish, th<- 

 middle segmcyits <.f the latter bein^ black. I-yes prominent, coarsely 

 granulate "; head and prothorax coarsely punctured. Wing covers with con- 

 spicuous striae composed of almost confluent pimctures; reddish bn.wn. 

 with a conspicuous black scutellar spot extending some distance each sid.- 

 of the scutellum. I'here is a broken, irregular 4.1ack band about midway of 

 the length of th<- wing covers, and a nearly complete one at the posterior 

 third ; wing covers clothed with a coarse pubescence. 



Triphyllus humeralis Kirby 

 This minute, oval, dark reddish brown beetle n.ay be found on fungi growing on 

 basswooii. 



It is about ',s inch ,n length. Ihe head and ihopax are slightly 

 darker than the dark reddish brown wing covers, and the dorsal surface 

 of the entire insect is faintly punctured and sparsely clothed with a short, 

 appressed, golden pubescence. 



