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Seventeenth Annual Report of the State Entomologist of Montana (Classic Reprint)

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    Available in PDF - DJVU Format | Seventeenth Annual Report of the State Entomologist of Montana (Classic Reprint).pdf | Language: ENGLISH
    Montana: State Entomologist (Author)

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Excerpt from Seventeenth Annual Report of the State Entomologist of Montana

Box Elder Bug (Leptocoris trivittatus Say.). This insect ordinarily confines itself to the box elder but was reported to have injured fruit in the vicinity of Joliet.

Cottony Maple Leaf-Scale Pulvinaria acericola Walsh Riley). This louse has been known to be present on shade trees in the cities of Missoula and Kalispell for some years but during the present season there was a great increase and injury was reported.

Bedbugs Cimex lectularius Linn.). More than the normal number of requests for advice on how to rid the house of bugs, came to us this season. The cyanide fumigation method, although it necessitates some danger and expense, is recommended and excellent results have been obtained.

Chinch Bug Blissus lencojjterus Say.). The country south of Glasgow where chinch bugs were abundant in 1911 was examined thoroughh again this season but no evidence of a reoccurrence of tlie pest could be found.

Cabbage Louse Aphis hvassicae Linn.). The cabbage louse was observed to be much more abundant than for some time past. Inquiries were numerous as to how this insect could be destroyed.

False Chinch Bug (Xysius ericae Schill). On account of being mistaken for the real chinch bug (Blissiis lencopterus Say.) this insect causes alarm wherever found. Although it is a bad pest in gardens, in no way does it approach its eastern relative in the amount of destruction which it can cause.

Oyster Shell Bark Louse (Lepidosaplies uhni Linn.). The oyster shell scale was present in less than normal numbers in the Bitter Root Valley in 1919.

Sugar-Beet Root-Louse Pejnphins hetae Doane). This was more abundant than it has been since 1916 and damage was done in the beet-growing districts of the state. Moths And Butterflies (Lepidopteea). Imported Cabbage Worm (Pontia rapac Linn.). This caused an increased loss to the cabbage crop. Many calls for information on control methods were received and it is safe to say that this insect has not been so plentiful for several years past. Corn Ear Worm (Heliothis obsoleta Fab.).

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