Author： HEADY S. E. MADDEN L. V. NAULT L. R.
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.78, Iss.6, 1985-11, pp. : 723-727
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Abstract
Oviposition behavior of seven Dalbulus species was studied in the laboratory on six-leaf stage maize, Zea mays L. The location of each egg was recorded for leaf or sheath, basal or apical half of each leaf, upper (adaxial) or lower (abaxial) leaf surface, and on or off midrib. Also determined was whether eggs were clustered or not. The leafhoppers were separated into three distinct groups: 1) D. elimatus (Ball), D. guevarai DeLong, and D. longulus, DeLong; 2) D. quinquenotatus DeLong & Nault and D. maidis (DeLong & Wolcott); 3) D. tripsacoides DeLong & Nault and D. gelbus DeLong. Egg placement by Dalbulus leafhoppers is discussed in terms of their geographical distribution, habitat preference, and interspecific competition. Oviposition behavior closely agrees with a phylogeny of the genus based on morphology.
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