114 R. W. Dawson 



Phyllophaga vehemens Horn. 



1887. Lachnosterna vehemens Horn, Trans. Amer. Ent. Soc, xiv, 

 p. 244. 



Specimens examined: 168 <5 , 40 9 , from Dakota City, 

 Hooper, Fremont, Ashland, Lincoln, and Red Cloud, col- 

 lected from April 21 to July 5, at lights and on the follow- 

 ing food plants: poplar 14, willow 5, boxelder 4, elm 4. 

 Vehemens is usually the first of our species to begin to fly in 

 the spring, and while the flight continues for some time, 

 the beetles are most in evidence in the earlier part of the 

 season. 



Phyllophaga fusca Froelich. 



1792. Melolontha fusca Froelich, Naturforscher, xxvi, p. 99, pi. 

 3, fig. 3. 



Specimens examined: 121 $, 185 9, from Nebraska 

 City, Hooper, Fremont, Lincoln, Norfolk, West Point, 

 Osceola, Bradshaw, Grand Island, Neligh, Halsey, Wood 

 River and Red Cloud, collected from May 5 to July 9. 

 A few specimens were taken on food plants as follows: dog- 

 wood 13, elm 11, ash 5, oak 2, gooseberry 1. Fusca is one 

 of the comparatively few species in which the females seem 

 to be more common than the males. 



Phyllophaga horni Smith. 



1889. Lachnosterna hornii Smith, Entomologica Americana, v, p. 

 95. 



Specimens examined : 1 ,j , 2 $ , from Lincoln, Nebras- 

 ka City and Rulo, collected from April 26 to July 3. Horni 

 is an eastern species the range of which probably does not 

 extend far into the state. 



Phyllophaga fervida Fabricius. 



1781. Melolontha fervida Fabricius, Species Insectorum, i, p. 36. 



Specimens examined : 1 $ , from Fremont and Grand 

 Island, collected at lights June 7 and 16, 1917. 



220 



