100 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 14 



In most of the other plants the larva had begun to feed and some time 

 later died, presumably it had been injured by the growing stalk. 



The larvae attain full growth, that is about seven-eighths of an inch 

 in length, some time in November. At this time the larvae are found 

 at the very base of the stalk, about two inches below the surface of the 

 ground, in an enlargement of the tunnel which has been padded with 

 fine bits of pulp. 



The pupal stage has not been observed but since the adults appear 

 early in July, the larv^ae will presumably pupate some time in May or 

 early in June. 



It seems reasonable to assume that this species will attack most of 

 the species in the genus Helianthus. None of these were near the 

 artichokes, and no data have been secured. The only host plant other 

 than artichoke that could be located is the common ragweed (Ambrosia 

 arteniisii folia). 



Haploacolouavar.reversa Stretch (Order Lepidoptera, family Arctiidae.) 

 The caterpillars appeared on strawberries early in April. In the neigh- 

 borhood of Johnsons some beds were infested to such an extent as to 

 make the injury very noticeable, about 10 per cent, of the foliage was 

 destro}'ed. The larvae resemble in a superficial way those of the Pea- 

 cock butterfly. They were nearly fullgrown on April 19. Specimens 

 reared in the insectary emerged as adults about a month later. 



Eleodes tricostata Say (Order Coleoptera, family Tenebrionidae) . The 

 life histor}' of this species has been studied in Kansas and among 

 several other species is recorded by Professor Dean as of "great economic 

 importance". (Station Rpt. 1917-lS). The larvae were sent in from 

 De Queen and reported as damaging strawberry plants. An investiga- 

 tion showed that the lar^^ae attacked the crown, and the roots immedi- 

 ately below the crown. It was only in new beds, such as had been set 

 out that spring, where the injury appeared. The field in which the 

 heaviest damage was obser^^ed was a piece of cleared woodland. Here 

 the larvae destro}^ed fully 5U per cent, of the young plants over an area 

 of several acres. Some of the larvae were taken to the Insectary at the 

 Experiment Station and reared in Riley cages. The adults appeared late 

 in July. 



All the insects referred to in this paper were determined through the 

 kindness of Dr. L. 0. Howard, United States Bureau of Entomology. 



Adiournment. 



