Some Techniques for the Preparation, Study, and Storage in Microvials of Insect Genitalia
- A. B. Gurney, J. P. Kramer, G. Steyskal
- Biology
- 1 March 1964
Suggestions are made for the storage of genitalia in Glycerine within microvials, especially the avoidance of too much glycerine and the need to slant the vials to keep the corks dry when they are pinned.
A Generic Revision of the Leafhopper Subfamily Neocoelidiinae (Homoptera: Cicadellidae)
- J. P. Kramer
- Biology
- 1964
A Taxonomic Study of Graminella nigrifrons, a Vector of Corn Stunt Disease, and Its Congeners in the United States (Homoptera: Cicadellidae: Deltocephalinae)
- J. P. Kramer
- Biology
- 15 May 1967
This study treats the 15 species of the leaf hopper genus Graminella DeLong known to occur in the United States. G. nigrifrons (Forbes), the commonest and most widespread species, is of special…
Four Genera of the World Gyponinae: A Synopsis of the Genera Gypona, Gyponana, Rugosana, and Reticana
- J. P. Kramer
- Geology
- 15 March 1965
New World leaf-hoppers of the subfamily Agalliinae: a key to genera with records and descriptions of species (Homoptera: Cicadellidae)
- J. P. Kramer
- Biology
- 1964
Ecology and Evolution of Leafhopper—Grass Host Relationships in North American Grasslands
- R. F. Whitcomb, J. P. Kramer, M. Coan, A. Hicks
- Biology
- 1987
This chapter summarizes current knowledge concerning ecological and evolutionary relationships between leafhoppers and North American grasslands and focuses on recent work in the own laboratory.
North American deltocephaline leafhoppers of the genus Planicephalus with new generic segregates from Deltocephalus (Homoptera: Cicadellidae)
- J. P. Kramer
- Biology
- 1971
Two genera, Planicephalus Linnavuori and MendozeUuori, formerly known only from the Neotropics, and two new genera described here are North American segregates from Deltocephalus are described.
New and little known Mexican and neotropical Deltocephalinae lHomopterac Cicadellidaer
- J. P. Kramer
- Biology
- 1963
Studies of the Mexican Deltocephalinae -1, 2 Aligia and Some New Allied Genera and Species (Homoptera: Cicadellidae)
- J. P. Kramer, D. M. Delong
- Biology
- 1 May 1968
This study highlights the importance of knowing the larva-to-fly ratio, as a source of infection for both honey bees and flies, in order to design and implement effective and efficient approaches to larval capture and removal.
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