State Crop Pest Commission 



OR LOUISIANA. 



CIRCULAR No. 6. FEBRUARY, 1906. 



The Circulars of the State Crop Pest Commission are sent free of charge to 

 all farmers and fruit growers of Louisiana who make application therefor. 



A Preliminary Report on the Horseflies of Louisiana, With a 

 Discussion of Remedies and Natural Enemies. 



HV .IAMKS S. II INK. 



A paper on the horseflies of the State of Louisiana at the 

 present, time must necessarily be incomplete, as only a little 

 time, comparatively speaking, has been put on the subject, and, 

 what is more, the various species wherever found are difficult 

 to make observations upon since the flies in all stages are rather 

 retiring in their habits. The life of the larva is passed in the 

 v.ater or in the ground, and the pupa is difficult to find, and, 

 moreover, when the adult appears it flies so rapidly, and most 

 of the time in such secluded places, that it is seldom seen ex- 



FrG i. Autumn horsefly (Tah<inu* ulcifrun*>. f-- 

 male, natural size. 



cpt when it alights on animals for the purpose of biting 

 order to procure food. Then again, the life cycle often occpi.- 



