The plant-feeding gall midges of North America
- R. Gagné
- Environmental Science
- 1 June 1989
The Wood Midges (Diptera: Cecidomyiidae: Lestremiinae) of Fennoscandia and Denmark
- R. Gagné
- Biology
- 1 October 2009
Instars of the Hessian fly (Diptera: Cecidomyiidae)
- R. Gagné, J. Hatchett
- Biology
- 1989
Larvae of the Hessian fly, Mayetiola destructor (Say), are shown to have three instars, during which much of the larval growth occurs.
A Monograph of Trichonta With a Model for the Distribution of Holarctic Mycetophilidae (Diptera)
- R. Gagné
- Biology
- 1 September 1981
The 67 known species of fungus gnats in the genus Trichonta in the Northern Hemisphere are keyed and described. The terminalia of the male and, when known, those of the female are illustrated. The…
Contarinia maculipennis (Diptera: Cecidomyiidae), a polyphagous pest newly reported for North America
- R. Gagné
- Biology
- 1 June 1995
A gall midge recently found on Dendrobium orchids in Florida, USA, is identified as Contarinia maculipennis Felt. The identification is based on anatomical similarity to a polyphagous species…
Evolution of Gall Forming Insects--Gall Midges
- R. Gagné
- Biology
- 15 September 1976
A Revision of the Nearctic Species of the Genus Phronia (Diptera: Mycetophilidae)
- R. Gagné
- Biology
- 1975
A review of the genus Phronia, which contains 86 species of small, brown or black myce-tophi'lids, finds that 10 of them are found in both North America and Europe, and is not able to establish whether the genus is mono-phyletic.
Revision of tetranychid (Acarina) mite predators of the genus Feltiella (Diptera: Cecidomyiidae).
- R. Gagné
- Biology, Geology
- 1995
The genus Feltiella is revised and redescribed, and a key to males is given and a new synomyc of F. occidentalis is given.
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