Global ETD Search

About
The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

1	A study of the biology and control of the onion maggot Hylemyia antiqua Meig. Stewart, Kenneth E. January 1926 (has links) No description available. Onion maggot. Entomology.
2	The description, habits and life history of the onion maggot Hylemyia antiqua Meig, with special reference to its control in the district of Montreal, Quebec. Armstrong, Thomas January 1925 (has links) No description available. Onion maggot. Entomology.