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Web URL(s):https://academic.oup.com/ee/article/25/2/460/2464465/Desiccation-Resistance-in-Populations-of-the-Red
    Last checked: 02/17/2017
    Access conditions: Item is within a limited-access website
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Author(s):Phillips, Sherman A. Jr.; Jusino-Atresino, Rafael; Thorvilson, Harlan G.
Author Affiliation:College of Agricultural Sciences and Natural Resources, Texas Tech University, Lubbock, TX 79409-2134; Department of Natural Sciences, Inter-American University of Puerto Rico, Aguadilla, PR 00605
Title:Desiccation resistance in populations of the red imported fire ant (Hymenoptera: formicidae)
Source:Environmental Entomology. Vol. 25, No. 2, April 1996, p. 460-464.
# of Pages:5
Publishing Information:College Park, MD: Entomological Society of America
Keywords:TIC Keywords: Insect pests; Solenopsis invicta; Desiccation; Moisture; Adaptation
Abstract/Contents:"The red imported fire ant, Solenopsis invicta Buren, is rapidly expanding its range throughout Texas and is even surviving in areas once thought inhospitable. Therefore, the objective of this study was to determine if populations of red imported fire ants from western Texas are more resistant to desiccation than are those from eastern Texas. Colonies were sampled from 6 different locations on a southeast to northwest transect through Texas. Minor workers from each location were subjected to low humidity, and the mean LT₅0s from among locations were compared to determine differences in desiccation tolerance among populations. Results show that the LT₅0 of minor workers collected in far northwestern Texas is =7 h; whereas, that of minor workers from far southeastern Texas is significantly less (P < 0.05) at =5.5 h. In addition, these LT₅0s are significantly different (P , 0.05) from the other 4 locations sampled from the middle of the transect. Therefore, workers from western Texas (xeric conditions) are less prone to desiccation than are from far eastern Texas (moist conditions), even though minor workers tested from eastern Texas were significantly larger than all others along the transect. These results indicate that the red imported fire ant may be able to adapt and expand its range at a rate faster than initially suggested."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Phillips, S. A. Jr. ., R. Jusino-Atresino, and H. G. Thorvilson. 1996. Desiccation resistance in populations of the red imported fire ant (Hymenoptera: formicidae). Environ. Entomol. 25(2):p. 460-464.
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    Last checked: 02/17/2017
    Access conditions: Item is within a limited-access website
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