Effect of temperature on rate of development, survival and adult longevity of Phthorimaea operculella (Lepidoptera: Gelechiidae)

被引:6
作者
Andreadis, Stefanos S. [1 ,3 ]
Spanoudis, Christos G. [1 ]
Zakka, Georgia [1 ]
Aslanidou, Barbara [2 ]
Noukari, Sofia [2 ]
Savopoulou-Soultani, Matilda [1 ]
机构
[1] Aristotle Univ Thessaloniki, Fac Agr, Lab Appl Zool & Parasitol, Thessaloniki 54124, Greece
[2] Technol Educ Inst Thessaloniki, Crop Prod Dept, Entomol Lab, Thessaloniki 57400, Greece
[3] Penn State Univ, Dept Entomol, Chem Ecol Lab, University Pk, PA 16802 USA
关键词
Lepidoptera; Gelechiidae; Phthorimaea operculella; potato tuberworm; constant temperatures; development; adult longevity; survival; developmental threshold; POTATO-TUBER MOTH; DEPENDENT DEVELOPMENT; ZELLER LEPIDOPTERA; NEPHUS-BISIGNATUS; NONLINEAR MODELS; COCCINELLIDAE; TETRANYCHIDAE; ARTHROPODS; COLEOPTERA; INCLUDENS;
D O I
10.14411/eje.2017.006
中图分类号
Q96 [昆虫学];
学科分类号
摘要
The potato tuberworm, Phthorimaea operculella Zeller (Lepidoptera: Gelechiidae), is a major pest of potato, Solanum tuberosum L. (Solanales: Solanaceae), both in the field and storehouses. The rate of development and survival of P. operculella, reared on potato tubers cv. Spunta at eight constant temperatures (17.5, 20, 22.5, 25, 27.5, 30, 32.5 and 35 degrees C), were studied in the laboratory. The duration of development of the immature stages was recorded. Adult longevity was also recorded under the same conditions. Developmental time decreased significantly with increase in temperature within the range 17.5-32.5 degrees C. No development occurred at 35 degrees C. Survival (%) from egg to adult was higher at temperatures within the range 17.5-27.5 degrees C than at either 30 or 32.5 degrees C. Linear and a non-linear (Logan I) models were fitted to our data in order to describe the developmental rate of the immature stages of P. operculella as a function of temperature and estimate the thermal constant (K) and critical temperatures (i.e., lower developmental threshold, optimum temperature for development, upper developmental threshold). Lower developmental threshold and optimum temperature for development ranged between 12.5-16.2 and 31.7-33.8 degrees C, respectively. The estimated upper developmental threshold for total immature development was 35.0 degrees C. Thermal constant for total development was 294.0 degree-days. Adult longevity was significantly shorter at high (30 and 32.5 degrees C) than at low temperatures (17.5-27.5 degrees C). Our results not only provide a broader insight into the thermal biology of P. operculella, but also can be used as an important tool in planning an effective pest control program both in the field and storehouses.
引用
收藏
页码:35 / 41
页数:7
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