REPORT. 



The following condensed outline will indicate to the reader 

 the chief topics connected with the locust problem in Argen- 

 tina that have received the attention of the Commission: 



iof mature insect, 

 of uiatui'e larva or saltona. 

 of eggs and egg-mass. 



r^. . ., .. s ill winter. 



^'^tr)bution -; .^^^^.. ,^^,^,^^^ ^f y^^^._ 



of mature insect or voladora. 

 Habits ] of young or saltona. 



( — bunching throughout life. 



Wintering — as voladora or imago. 



I Method of. , o t. t-\ 4- 1 



T,^ , • 1 r,^- .. bept. Oct. and 



Kgg-laymg • lime of year ■ ^ , .,. 



{ One cartucho or more? ' '^' ' 



( Spring — Away from wintering quarters ) Taken together form- 

 Flights j Summer — Irregular - ing a sort of circuitous 



( Fall — Toward wintering quarters ) ,iourney(des.inRept.I.) 



f Attacking { Trox. 

 I eggs . . } Anthomyia. 

 f Insects I Attacking \ Beetles, 



j saltona . ) Wasps, etc. 

 l^ Attacking t Diff. Parasitic 

 Natural enemies — voladora -j Wasps. 



Animals -I ( Robber flies. 



Other \ (4ordius.. } attack- j Saltona. 



invertebrates) Merimis. \ ing.. ] Voladora. 

 I Reptiles and Amphibians. 



U^ertebrates ' ^^'^h-^^' 



, Birds. 



I Mammals. 



I Sporotri- 

 NatiU'al enemies — fungus..-, chum. 



i Eiiijjusa. 



Climatic influences. 



I Diverting flj'ing mangas. 

 Mechanical I Driving, ditching, fencing to keep away, 

 remedies . .-^ (Gathering eggs, crushing eggs, plowing, etc. 



1 Killing ) Gathering saltonas, crushing by rollers, etc. 

 [ I Carcarana and other machines. 



[Gathering voladoras, — machines, etc. 



