56 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



ECOLOGICAL NOTES— Continued. 



Pelenomus suldcoUiK, on i)olygonuni. 

 RJiinoneus perica rpi us, pi/rrliopn x, and /<*//- 



gulvK, all on polygonaceou.s plant.<. 

 Bariii, the specien are obtained by 8\veep- 



ing meadows. 

 Plesiobaris T-signmn and (liyancld, in 



swampy meadow.*. 

 Gli/pl(>li(iris, (hii/i'liolidris, and Aulobaris, 



all ari' obtained liy sweeping marshy 



meadows. 

 Ampeloijbiptir atrr an<l Mailari'Ilns, on 



ampelop.sis. 

 De.imoglyptun crt'iKdns, on wild gra{)e. 

 Psendoharls /wctordlis and iiii/rii/d on 



meadows. 

 Trirlioharls Irliiolala, on potatoes. 

 Centrimis. All live on flowers, espeeially 



in the fall. 

 CentrrnopuK, Nicenlrns, Limnobaris, Olif/o- 



lochus, Idiostethus, and Stelhohtrix, all 



these genera live on various herbs and 



weeds in meadows. 

 Ziylifptus slrinlitx and tmlcatux, in dead 



twigs. 

 OomorpJiidiux Liricol/is, one specimen. 

 Barinus cribricol/ix and curticollix, rare. 

 Barilepton filiforriie, in swampy meadows. 

 Plocaimis hixpidiilux, breeds in dead twigs 



of Robiiiid psciid(ir<tri<(. 

 Bakminux. The habits of these speeies 



have repeatedly l>een placed on record. 



BRENTHID^. 



Eitpsalis mimtia, under loose bark of vari- 

 ous trees. 



CALANDRIDJi. 



Rhodobimux 18-pnncta1us. very common 



on meadows. 

 Sphenophorus. The species live on the 



rootsof grasses in sandy places; nrlirenx, 



melcmocephalux, xndplilis, aii,d pumilns 



are very abundant. 

 Odandrn orijztv and (/raniirin, in stored 



rice, wheat, corn, etc. 

 Dryophlhornx^corliadis, very conunon mi- 



der bark of rotten trees. 

 Hhnathnn crrdiis. under bark; coiiicn/ii, in 



bark of I/irnxlindron tidipifera. 

 Cdxxdiidx i,ii/>rcxxifrnvx, under bark of vari- 



Sl('ii(/iiii)ims paliidus, under bark, rare. 



J'hhrophagtis apiahides and minor, on dead 

 twigs. 



Wollaxtonia quercicola, like Phheoj)liagHs. 



A maurorhinus niiens, on dead branches of 

 grapevine. 



Hexarthfum idkei, rare, seems to be im- 

 ported. 



lilii/itcohis oregonensis, rare. 



Strnoscelis brevis, common in rotten wood. 

 There are several underscribed Calaii- 

 dridn'. 



SGOLYTID^.. 



Sra/i/tux (pu(drispinosu.<<, on hickory; imdi- 

 rnx, on celtis; ritgulosus, on fruit trees. 



Chrnmesus icorise, in branches of hickory. 



Phlicotribus Ibmnark, on fruit trees; fron- 

 tdlis, on Moi'df! rubra. 



Illl/t'.'^'nuis (icideatus, under bark of ash; 

 ojidcuhis, under elm bark; fasciatus, 

 rare, infests twigs of Fraxinus. 



CiieHinus strigicollis, on liquidambar. 



I'ldcvodnus dentatus, under bark of juniper. 



(hrplioborus bifurctis, under pine bark. 



Ih'iidrodonus terebrans, under pine bark; 

 frddlaUs, one specimen. 



Ili/ldxtr.^, all on pine; also Hylurgops pini- 

 ./''■'■• 



Crypiurgus alutaceus, on pine. 



Cryphalus rigidus, on beech, one speci- 

 men. 



Coccutrypex daclyliperda, found occasion- 

 ally in dates in our fruit stores. 



11 ypothenemus rruditus and dissimilix, 

 found abundantly in dry twigs of vari- 

 ous trees in early spring. 



PityopJilliorus minutissimus, under oak 

 bark; /iidlcnrius, puUus, puberulus, an- 

 nrch'iix and hirtlceps, on pine; ronsimdix, 

 on rhus. 



I'Ifyoyi'iirx p/agiatus, on pines. 



Xi/lii(:'e/>l('x deripicnx, rare. 



Toiiiicux. \U under bark of pines. 



Dryocales granicolUs, rare. 



Micracis suturalis and opadcoUis boring 

 in old twigs; rudls, in willow, rare. 



TlnjxdDdcx tiiidn-iroiiiis, in dead hickory 

 twigs. 



(,'iidl/i<ilricJiux iidderiarnix and dxpi'ruhis, 

 in pine. 



