TWENTY-FIRST REPORT OP STATE ENTOMOLOGIST 



OATS 



17 



The only report of insect damage to oats came from a grower at Pony in June, 

 complaining that the false chinch bug had destroyed about one-fifth of his oat and 

 barley crop. However, this insect was collected in great numbers in most all parts 

 of the State. 



Cojimox Name 

 Plant lice 



CI it 



Mites 



Hemispherical scale 

 Large red ants 



OKSAMENTAL SHRUBS 



Scientific Name 

 Aphididae 



Sp. undetermined 

 Saissctia hem isphaerica 

 Formicidae 



Locality 



Joliet 

 Miles City 

 Great Falls 

 Billings 

 Glasgow 



Date 

 1925 1926 



June 1 



Jan. 19 



July 30 



Apr. 17 

 May 18 



Plant lice seem to be the outstanding pests of ornamental shrubbery. 



PLUMS 



Sack galls 

 Plant lice 

 Plant lice 

 Plum gouger 



Sp. undetermined 

 Aphididae 



it 



Coccotorus Scutellaria LeC. 



No new insect pests of plums have been discovered in this State during the 

 past biennium. 



Raspberry leaf-roller 



Wireworms 



Red spider 



RASPBERRIES 



Sp. undetermined 



Elateridae 



Tetranychus telarius Linn. 



Raspberry beetle Byturus unicolor Say 



Strawberry root weevil Otiorhynchus ovatus Linn. 



Belknap 



Kalispell 



Somers 



Fortine 



Alta 



Ashton. Idaho 



Columbia Falls 



Apr. 28 

 May 14 

 May 25 

 July 20 

 Aug. 4 

 June 11 

 Aug. 9 



It is interesting to note that during this past season the strawberry root weevil 

 was reported doing damage to raspberry bushes near Kalispell. 



