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^: *http://jee.oxfordjournals.org/content/by/year
^: Shu-Sen Shi; Juan Cui; Lian-Sheng Zang
^: Development, Survival, and Reproduction of Megacopta cribraria (Heteroptera: Plataspidae) at Different Constant Temperatures [, Megacopta cribraria (Heteroptera: Plataspidae), , . ()]
^: Journal of Economic Entomology, 2014; Vol.107,N 6. - P. 2061-2066
^: 2014

^: The plataspid Megacopta cribraria (F.), an economic pest of soybeans, Glycine max (L.) Merrill, in Asia recently invaded North America and has become not only an important pest of soybean but also a nuisance pest. Although much is reported about M. cribraria in its native and invasive range, little information has been documented on the effect of temperatures on its development, longevity, and reproduction. We evaluated the influence of five constant temperatures (17-33C) on the development, survival, fecundity, and population growth of M. cribraria in the laboratory. The developmental time for egg and nymph stages was shortened significantly with increasing temperature. The developmental time from egg to adult emergence was 114.81, 76.26, 44.54, and 38.54 d at 17, 21, 25, and 29C, respectively. The nymphs of M. cribraria could not complete full development at a constant 33C. The developmental threshold temperature estimated for egg to adult was 14.25C, with a thermal constant of 849.56 degree-days. Females had the longest preoviposition period at 21C (54.33 d), and the preoviposition period was shortened significantly as the temperature increased. Females had the longest oviposition period (35.33 d) and the highest fecundity (159.67 eggs per female) at 25C and did not lay any eggs at 17C. Female longevity was found to be shortest (44.0 d) at 29C, and similar (75.67-81.50 d) at 17-25C. The population trend index of M. cribraria was the highest (46.47) at 25C, followed by 29C (10.84) and 21C (6.70). The results will be useful for predicting the phenology and population dynamics of M. cribraria and will provide some biological information on the invasive species in its nonnative range. aref1

^TRN: 1552357


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