48 



PJIOCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. XXV. 



ECOLOGICAL NOTES— Continued. 



malac;hiii)/E. 



Collops, more or less common in mead- 

 ows, chiefly on clover. 



CJuvtoccelus setosus, on branches of oak. 



Anlhocomus Pseudebteus, and Attains. All 

 the species of these genera are found 

 on grasses, flowers, and bushes. 



MELYRID^. 



A/i/))ierlt< rriJimta, chiefly found on chest- 

 nut 1)lossoms. 



CLERID.E. 



Elasinoccrus terminaius, found on trees in- 

 fested with Scolytids and Bostrychids. 



Cymafodera, on dead V)ranches. 



TricJiodeK aplvora.^, on flowers of Spiraea. 



Clems quadvif/uttatus, on pine; rosmarus, 

 on flowers; ichnemnoneus and thoraciais, 

 on branches of deciduous trees. 



Thaiiasimiis dnhius, on pine. 



Thnneroclerus sanguineus, under bark of 

 deciduous trees; tantillus, one single 

 specimen found. 



Hydnocera, all species occur in meadows 

 and on bushes. 



Phyllobomus dislocatus, on dead branches. 



Ichnea laticomis, lives parasitic on Phloeo- 

 sinus dentatns. 



Chariessa pilosd , on dead branches of de- 

 ciduous trees. 



Cregya, like Chariessa. 



Orthopleura damimrnis, on Ijranches of 

 oak. 



Necrobia, all on dried animal matter. 



Eucrada humeralis, on bushes. 



Ernohius mollis, on old woodwork; the 



others beaten from pine branches. 

 Ozognathus ftoridanus, two specimen-;. 



beaten from bushes. 

 Oligomerus, all on dead branches. 

 Sitodrepa panicea, everywhere, in houses. 

 Hadrobregmus, beaten from d e a d 



branches. 

 Trichndesma gibbosa, in old branches. 

 Anobium notatum, on old oak branches. 

 Trypopitys sericeiis, on old branches. 

 Pelalium bisfriatuiu, very common on dead 



branches. 

 Tlieea, Eupadus, and Xyletlnus, all on old 



twigs. 

 Lasioderma .'<erficorne, in drugs and to- 

 bacco. 

 Hemiptychus, all species on dead branches. 

 Protheca hispida and pubenda, in old 



rotten wood, common. 

 Dorcatoma, all in dead branches. 

 Coenocara oculata, in Lycoperdon. 

 Ptilinus ruficomis, boring in old wood. 

 Endecatomvs rugosus, in old timber. 



BOSTRICHIDyE. 



Most of the Bostrichidse: Stephanopachys, 

 Lichenophanes, Xylobiops, etc., bore in 

 dead twigs or are found under loose 

 bark. Dhioderus and Rhizoperiha are 

 importations. 



LYCTIDiE. 



Lydus and Trogoxylon, both in old woods. 



DERODONTID.E. 



Derodontus maculatus, on mold under 



loose bark of trees. 

 Laricobius erichsoni, found many years ago 



on pine in the Smithsonian grounds. 



PTINID.E. 



Gibbium jisylloides, one specimen found 

 at the wall of the United States Treas- 

 ury building. 



Ptinus fur and bvnnneus, in houses; qiiad- 

 rimaculatns and interruplus, one speci- 

 men of each in white rotten oak. 



CUPESID^. 

 Cupesconcolur, on old wood. 



LYMEXILID^. 



Lymexylon sericeum, boring in old oak 



wood. 

 Micromalihus debilis, one specimen found 



in the city. 



CIOID^. 



Cis. All species live in fungi growing on 

 logs and stumps; quite a number of 

 species are not determined yet. 



