TWENTY-EIGHT REPORT OF THE STATE ENTOMOLOGIST 25 



Figure 7. Workers of the termite Reticulitermes tibialis Banks. En- 

 larged 7 times. 



tural Experiment Station or to the Office of Information, Depart- 

 ment of Agriculture, Washington, D. C. 



Alpine Rock Crawler. — Continued search during 1939 and 1940 

 for this alpine insect (Grylloblatta campodeiformis Walker) has 

 yielded some interesting negative and positive collection data. At- 

 tempts to collect Grylloblattids in the Bridger Range (Gallatin 

 County) on August 21, September 2, and September 10, 1939, were 

 unsuccessful. Specimens were found in the same general area on 

 September 24, 1939. After the onset of cool autumn weather, ac- 

 companied by fall showers, many specimens have been collected in 

 the Gallatin and Springhill canyons. In the Gallatin Canyon on 

 October 11, as well as in the Springhill area on October 17, 1940, 

 a pair of mating adults was found. 



Earwigs. — There are no native earwigs in Montana, but two 

 species have been introduced. The little earwig, Labia minor L., 

 has been collected twice in or near Bozeman on widely separated 

 dates, and is of little economic importance. In 1939 the European 



