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INSECTS AND THEIR ALLIES

Coccidae (Scale Insects)—(Continued). Aspidiotus ulmi, Johns. Lepidosaphes ulmi, Linn.

Suborder HETEROPTERA.

Thyreocoridae (Negro-bugs). Thyreocoris unicolor, P.B.

,,

pulicarius, Germ.

Pentatomidae (Stink-bugs).

Eurygaster alternatus, Say. Mormidea lugens, Fab. Chlorochroa persimilis, Horv. Euschistus filipes, Say.

,,

fissilis, Uhl.

tristigmus, Say.

"   variolarius, Beauv. Coenus delius, Say.

Cosmopepla carnifex, Fab. Perilloides circumcinctus, Stal.

"   claudus, Say. Podisus cynicus, Say.

"   modestus, Dall. Coreidae (Squash-bug Family).

Anasa tristis, De G.

Alydus eurinus, Say.

Lygaeidae (Chinch-bug Family).

Lygaeus turcicus, Fab. Cymus discors, Horv.

Tingitidae (Lace-bugs).

Corythuca arcuata, Say. 309


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