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Filtering by: Committee Member Hansen, E. M. Advisor Aliniazee, M. T.

Influence of temperature and photoperiod on the developmental biology of the obliquebanded leafroller, Choristoneura rosaceana (Harris) (Lepidoptera:Tortricidae)

Creator:

Ranga Rao, Gangavalli V.

Abstract:

Developmental thresholds and thermal unit (degree day) requirements for eggs, different larval instars, pupal stage and preoviposition period were determined for the obliquebanded leafroller (OBLR), Choristoneura rosaceana (Harris). Separate thresholds and degree day requirements were determined for males and females, but differences between the sexes were not significant. However, there...

Resource Type:

Dissertation

Full Text:

financial and moral, and to the members of my committee Dr. N. H. Anderson, Dr. Ralph E. Berry, Dr. M. M
Gamma irradiation of the western cherry fruit fly for the sterile male control technique

Creator:

Brown, Robert David

Abstract:

The western cherry fruit fly, Rhagoletis indifferens Curran, was studied to determine the suitability of the sterile insect technique for its control. To obtain insect material, field collection of maggots is preferred to sifting of soil or rearing on artificial diet. The western cherry fruit fly is strictly univoltine; only...

Resource Type:

Dissertation

Full Text:

M. T. AliNiazee The western cherry fruit fly, Rhagoletis indifferens Curran, was studied to