MONTANA INSECT PESTS, 1949 AND 1950 35 



Oyster shell scale 24 



Pear leaf blister mites 24 



Eye-spotted bud moth 24 



Plum tree borer 24 



Plum aphid 24 



Small Fruits 24 



Strawberry root weevil 24 



Millipedes 24 



White grubs 25 



Currant fruit fly « • 25 



Raspberry root borer 25 



Raspberry sawfly 25 



INSECTS DESTRUCTIVE OF ORNAMENTALS 25 



Deciduous 25 



Boxelder bug 25 



Ash borer 25 



Green ash aphid 25 



Ash flower gall 25 



Willow leaf gall 25 



Poplar borer 26 



Cottonwood leaf-stem gall 26 



Vagabond gall 26 



Cottonwood leaf beetle 26 



Elm leaf curl aphid 26 



Wooley apple aphid 26 



Lilac beetle 26 



Red spider 27 



Conifers 27 



Blue spruce gall aphid 27 



Spruce leaf-tier 27 



Spruce bud worm 27 



Pine leaf scale 27 



DESTRUCTIVE HOUSEHOLD INSECTS 27 



Clover mites 27 



Clothes moths 27 



Silverfish 28 



Dermestids 28 



Termites 28 



Cereal insects 28 



Spiders 28 



Ants 28 



Flies ^^ 



INSECTS DESTRUCTIVE OF MAN AND ANIMALS 29 



Mosquitoes 29 



Cattle grubs ^^ 



Cattle lice ^^ 



Sheep ticks ^^ 



Horn flies ^^ 



Mink maggots ^^ 



MISCELLANEOUS INSECTS 30 



Grasshopper mites ^J| 



Sun spiders ^|: 



Choke cherry midge "^^ 



BIENNIAL REPORT OF THE MONTANA STATE 



APIARIST 1949 AND 1950 31 



Table Of American Foul Brood Incidence In Colonies Inspected 



By The Assistant State Apiarist— 1949-1950 32 



