BEETLES OF THE DISTRICT OF COLUMBIA— ULKE. 



47 



ECOLOGICAL NOTES— (Vmtinued. 



Horislonotiis cKrldlns, on busheis and trees, 

 common. 



Estlu'snpus daricoUls, one specimen. 



Crypiohiipnus choris, on dry sand bankn; 

 melsheimeri and perple.rns, on gravel 

 banks; the others swept in meadows. 



Anehastus rufns, very rare. 



Monocrepidiutt, on meadows and bushes; 

 mirllus and belliis very common under 

 stones in early spring. 



Dicrepidiiis and Iscliiodouln.'^, both very 

 rare, on bushes. 



E Inter. All the species are found under 

 bark and by beating dead branches. 



Drasterhis elegans and amabilix, nio-tly 

 under stones, very abundant. 



Megapeidhes, on bushes. 



Liidius, under bark. 



Agriotefi and Dolopius, on bushes. 



Glyphonyx, on bushes, very common. 



Melanotus, Limonius, Athous, Sericosomus, 

 Corymbites, Hemicrepidius, and Mela- 

 nactes are all more or less frequent in 

 old stumps, under bark and stones, or 

 beaten from various bushes; Lepio- 

 schema hicolor is very rare; Sericosomus 

 viridanus, under chips and stones in 

 early spring; Melanactes reichei, only 

 two specimens. 



Perothops mucida, from old beech trees. 



Cerophytum pidsator, three specimens 

 found under chips and stones in early 

 spring. 



THROSCID/E. 



Drapeies geminaius, under rotten bark and 



on dead branches. 

 Aulonotlirosrus and Tliroscus, under old 



leaves and plants. 



BUPREtSTlDyE. 



Clmlcophora virginiensis, in pines; cavi- 



pestris, on sycamore. 

 Dicercri, on various deciduous trees. 

 I'(ecilonota debilis, very rare. 

 Buprestis rufipes, on oak; the other species 



on pines. 

 CInyra gracUipes, on oak. 

 Melcniophila, all on pines. 

 AiiUtaxw, all on various deciduous trees. 

 Chrysobothrisfemonda, pusilla, azurea, and 



scitida, on various deciduous trees ;,/?or/- 



cola, denlipes, 6-signata, han-isii, on pines. 



Afieiiodcx (((■(ir)iiK, rare. 



Afiiinodera ornaia andcnlla on flowers. 



PlasiDKi gibbicoUis, on black locust. 



Madogerdus, on oaks. 



Enpristocerus cogitans, on elder ])ushes. 



Agrilus ruficoUis, on different kinds of 

 Rubus; otiosiis, on oak and hickory; 

 arcucdus, on hazel ; bilineaius, on chest- 

 nut and honey locust; polUus, on oak; 

 egeniis, on black locust; obsoletns and 

 (/rniudaius are rare. 



RluvliDticells ienuis, on oaks. 



Taplirorcnix gr<(c!lix, very common on 

 plants in swami)y meadows. 



Brdchijs, all on oak bushes. 



Paclnjscelus purpureus. The larva mines 

 the leaves of Lespedczu. 



LAMPYRID.E. 



Calopieron terminale and reltcnlntwn, both 



common. 

 Celeles basalis, not connnon. 

 Cpcnia dirnidiata, rare. 

 Eros, Plateros, and Calorliroiiins, on flow- 

 ers and bushes. 

 Lucidota, like the preceding. 

 EUychnia comtsca, very connnon about 



trees and bushes. 

 Pyropyga and Pyradoiiiend, like Elh/cJi- 



nia. 

 Photinus ptyralis, our commonest firefly. 

 Phottiris pennsylvanica, very abundant. 

 Phengodes spec.?, a single female specimen 



has been found. 

 Tytthxniy.r erytlirocepliubt, I'ommon on 



l)usbes. 

 OitidJics margUiatw<, rare, beaten from 



bushes. 

 Chaidiogiiallius, very connnon on blossoms 



and flowers. 

 Podabrus fricostdliif iu\t\ //f^s'/Ao'/.v, rare; the 



others common. 

 (S7//.S percomis and .'^jidthiddtd are both 



rare. 

 Ditenmus I/idenhdus, very common on 



clover. 

 Teh'phorus. All species are on low plants 



and bushes. 

 Polein'ms laticoriiis, on meadows. 

 Trypherm kdipeniiis, common on bushes. 

 Malihiniis and Midlhodes, on Inislies and 



grasses in meadows. 



