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The hessian fly was described by Thomas Say in 1817.
With unusual theories about the Hessian fly.
Many are economically significant especially the Hessian fly, a wheat pest, as the galls cause severe damage.
They were interested, they said, in botany as well as the vicious habits of the Hessian fly.
They found that the Hessian fly was most destructive in wet seasons and least destructive in dry seasons.
I'm afraid that your informant ..." "Was a Hessian fly!"
"Mr. Madison and I have been fascinated by what we have seen and learned, particularly about the mating habits of the Hessian fly."
Jefferson's pursuit of the dread Hessian fly had not entirely distracted him from the political realities of the small but crucial New York electorate.
Larval plant feeders (such as the Hessian fly larva) cause root, stem, or leaf galls to be formed by the host plant.
Thomas working with Charles V. Riley, found that the Hessian fly, which was terrorizing the wheat and rye of the western states.
The Hessian fly hitched a ride on German mercenaries fighting with the British during the Revolutionary War and became our nation's worst wheat pest.
In 1836 a severe infestation of Hessian flies resulted in a crop shortage aggravating the financial problems of farmers prior to the Panic of 1837.
Identification in Aegilops species of resistant sources to Hessian fly (Diptera: Cecidomyiidae).
VanKoughnet efficiently reorganised the department of Agriculture, and in particular took effective measures to check the ravages of the Hessian fly and weevil.
The barley stem gall midge, Mayetiola hordei, is a cereal pest in Tunisia, closely related to the Hessian fly.
The hessian fly or barley midge, Mayetiola destructor, is a species of fly that is a significant pest of cereal crops including wheat, barley and rye.
The larvae, footless grubs nearly an eighth of an inch long when fully grown, feed upon the flower, rendering it abortive, and not upon the stem like the Hessian fly.
One example is wheat, which has the ability to express genes that make it resistant to leaf and stem rusts, and to the Hessian fly; its resistance declines with increasing temperatures.
American literature began as far back as 1788, when a report on the Hessian fly was issued by Sir Joseph Banks; in 1817 Thomas Say began his writings; while in 1856 Asa Fitch started his report on Noxious Insects of New York.
The hessian fly or barley midge, Mayetiola destructor, is a species of fly that is a significant pest of cereal crops including wheat, barley and rye.