THE CANADIAN ENTOMOLOGIST. 85 



20 and 27, both males ; four hirticula, two males and two females, the 

 former taken July 1 and 19, the latter June 14 and July 22 ; two males 

 of balia taken June 1 ; two males of hirsuta taken May 20 and June 3 3 

 and one male of quercus was taken June 1. In 1892, one male of 

 grandis was taken June 21 ; three males of hirticula on June n, July 

 15 and 26; and two males of hirsuta were taken on June 2 and 3. 

 Thus eight species were represented in the trap lantern material; at 

 least twenty-three species should be found in our State. 



From Table I. we learn that Clisiocampa americana flies from June 

 17 to July 18, occurring in the greatest numbers during a period of about 

 ten days from June 26 to July 4 : over 92 per cent, of the moths being 

 taken at this time. 



Table II. shows that Feltia subgothica is excessively abundant in 

 this locality, nearly 2,400 specimens having been taken. I believe that 

 more specimens of this moth were taken than of any other species of 

 insect. Although the species flies from July 12 to Sept. 18, there is 

 nothing to indicate more than one brood. Other experiments at the 

 Insectary show that the insect hibernates in the larval state, and it is said 

 that the change to a pupa takes place about July 1. As will be seen in 

 the table, the adults appear in the greatest numbers from Aug. 14 to 

 Sept. 6, over 97 per cent, of the moths being taken during these three 

 weeks. 



A glance at Table III. will show that fusca is by far the most numer- 

 ous species in our vicinity ; out of 694 specimens of LacJmostema taken 

 in the two years, 83 per cent, of them are fusca. Dubia and Was are 

 comparatively common, while hirticula, hirsuta, grandis, balia and 

 quercus are rare. In 1889 fusca flew from May 19 to June 10 and 

 reached its climax on June 1, when 39 per cent, of them were taken. In 

 1892, however, fusca did not begin to fly until May 26 and stopped June 

 28, and it was the most numerous from June 13 to 28, or about two 

 weeks later than in 1889. Hirsuta, balia and quercus seem to appear 

 at about the same time as fusca, that is, during May and June. But 

 Was, grandis and hirticula do not appear until the latter part of 

 June and during July. No Lachnosterna were taken after July 30, 

 although the lanterns were run until Oct. 15, thus indicating that the 

 emergence of the beetles in the fall is very uncommon, if it happens at all. 

 This is confirmatory evidence of the conclusion which Prof. Forbes, of 

 Illinois, and Prof. Perkins, of Vermont, have reached in their recent 



