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1 December 2010 Life Table Studies of Elasmopalpus lignosellus (Lepidoptera: Pyralidae) on Sugarcane
Hardev S. Sandhu, Gregg S. Nuessly, Susan E. Webb, Ronald H. Cherry, Robert A. Gilbert
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Abstract

This article has been withdrawn at the request of the authors due to numerous errors that cannot readily be corrected by publishing an erratum. The lesser cornstalk borer, Elasmopalpus lignosellus (Zeller) (Lepidoptera: Pyralidae) is an important pest of sugarcane (a complex hybrid of Saccharum spp.) in southern Florida. Reproductive and life table parameters for E. lignosellus were examined at nine constant temperatures from 13 to 36°C with sugarcane as the larval food source. The pre- and postoviposition periods decreased with increasing temperatures and reached their minimums at 33 and 36°C, respectively. The oviposition period was longest at 27°C. The mean fecundity, stage-specific survival, stage-specific fecundity, intrinsic rate of increase, and finite rate of increase were greatest at 30°C and decreased with increasing or decreasing temperature. The net reproductive rate was greatest at 27°C. The Logan-6 model best described the relationship between temperature and intrinsic rate of increase. The generation and population doubling times were longest at 13 and shortest at 33 and 30°C, respectively. The most favorable temperatures for E. lignosellus population growth were between 27 and 33°C. Life table parameters for E. lignosellus reared on sugarcane were greater than for the Mexican rice borer [Eoreuma loftini (Dyar) (Lepidoptera: Crambidae)] reared on an artificial diet at 30°C. The intrinsic rates of increase for the sugarcane borer [Diatraea saccharalis (F.) (Lepidoptera: Crambidae)] reared on sugarcane or corn were the same as for E. lignosellus reared on sugarcane at 27°C, but the net reproductive rate was four times higher for the former than the latter borer species. This article has been withdrawn.

© 2010 Entomological Society of America
Hardev S. Sandhu, Gregg S. Nuessly, Susan E. Webb, Ronald H. Cherry, and Robert A. Gilbert "Life Table Studies of Elasmopalpus lignosellus (Lepidoptera: Pyralidae) on Sugarcane," Environmental Entomology 39(6), 2025-2032, (1 December 2010). https://doi.org/10.1603/EN10038
Received: 9 February 2010; Accepted: 1 September 2010; Published: 1 December 2010
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