NESTETEENTH REPORT OF STATE ENTOMOLOGIST 29 



cera ocellana Schif . ) . Both the codling moth and the bud moth caused 

 noteworthy damage in the Bitter Root Valley. 



Western Tent Caterpillar {Malacosoma fragiUs Stretch) feeding 

 on wild rose, and the Forest Tent Caterpillar {Malacosoma disstria 

 Hubner) on poplar, apple, and wild rose, were very plentiful during 

 the past summer. 



Thistle Butterfly (Vanessa cardui L.). Great numbers of the lar- 

 vae of this butterfly were observed feeding on Canada thistle (Cardnus 

 arvensis L.) in western Montana. No damage to cultivated sunflowers 

 was reported. 



FLIES (DIPTERA) 



Warble Fly (Hypoderma sp.). Two partially grown larvae of 

 Hypoderma were expressed from under the skin of a child five years 

 old at Dixon. One came from a swollen congested area immediately 

 anterior to the orifice of the left ear, the other from vertex of skull. 



Sunflower Maggot (Straussia longipennis Wied.). This maggot 

 was again present in a large percentage of the sunflower plants on the 

 college farm. 



Currant Fruit Fly (Epochra canadensis Loew.). Tlie currant 

 fruit fly was especially injurious in the western part of the State. 



BEETLES (COLEOPTERA) 



Fiery Hunter (Calosoma calidum Fab.). Although in the north 

 ern part of the State, through the country infested with the pale 

 western cutworm, there was last year a fair abundance of this beetle, 

 during 1922 it was noticeably scarce. 



Flea Beetles. The species of flea beetles given in Insect Pests of 

 1921 were again very injurious this season. 



Alder Flea Beetle (Haltica himarginata Say). This insect oc 

 curred in great numbers at Glasgow, Valley County, and Glendive, 

 Dawson County. 



Blister Beetles (Epicauta maculata Say and Lytta nuttalli Say). 

 These two blister beetles were very abundant over the entire State and 

 caused much damage in farm gardens. Some damage by them to al- 

 falfa was reported. 



Wireworms (Elateridae) . Considerable damage to the potato crop 

 in some eastern counties as well as in the western counties of Sanders, 

 Flathead, and Missoula was done by wireworms. 



