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Turnip
Maggot
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Information on this page is derived from public domain documents published
by the federal government of canada, the provincial government of British
Columbia and information contributed on electronic discussion groups.
Please bear in mind that any pesticides mentioned in these pages may
no longer be recommended or registered for the indicated use — check
with your local pesticide officer or regional agrologist for current info
(you can use the provincial directory
on the internet to search for those job titles or call Enquiry
bc at 1 800 663-7867 for assistance). It is recommended that you use
a search engine using the common name and/or scientific name of the organism(s)
below, together with the name of your province, to find biology and management
information relevant to your local conditions.
If
you choose to use chemical controls remember to
always follow pesticide label instructions!
insects
of economic importance in Canada and British Columbia
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species: Delia (=Hylemya) floralis
common names: turnip maggot
hosts: major pest of rutabagas or swede turnips, cole crops
notes:
Turnip
Maggot
Delia (=Hylemya) floralis (Fallen)
The major
pest of rutabagas or Swede turnips in Central British Columbia;
this species also occurs on Denman Island and at Courtenay on
Vancouver Island. It is closely related to the cabbage maggot
and only attacks plants in the mustard or cabbage family.
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Vegetables
attacked:
Cole crops:
broccoli, brussels sprouts, cabbage, cauliflower, kohlrabi, radish,
rutabaga, turnip

Injury:
Similar to
that for "Cabbage Maggot".
Insect:
Similar to
that for "Cabbage Maggot".
Life History:
Similar to
that for "Cabbage Maggot".
Control:
Similar to
that for "Cabbage Maggot".
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