Biological and ecological characteristics of Calliptamus abbreviatus Ikonnikov (Orthoptera: Catantopidae)
Author of the article:WEI Shu-Hua1** HUANG Wen-Guang2 ZHANG Rong1*** GAO Li-Yuan1YU Zhao2 ZHU Meng-Meng1
Author's Workplace：1. Institute of Plant Protection, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China；2. Grassland Workstation of Ningxia, Yinchuan 750002, China
Key Words：Calliptamus abbreviatus Ikonnikov, life history, morphological characteristics, host selection, consumption, developmental threshold temperature, effective accumulated temperature
Abstract： [Objectives] To systematically study the biological and ecological characteristics of Calliptamus abbreviatus Ikonnikov, including life history, morphological characteristics, host selection, daily food ingestion, developmental duration, developmental threshold and effective accumulated temperature. [Methods] By a combination of field and laboratory research，including providing C. abbreviatus with food in captivity. Experimental results were calculated based on the law of effective accumulative temperature. [Results] This locust species had only one generation per year, and overwintered as eggs in soil. Eggs began to hatch in the second ten days of June of the following year, with the hatching peak in the first ten days of July. Adults occurred in the first ten days of August, and the peak period of laying occurred from the first ten days to the latter part of the second ten days of September. C. abbreviatus prefered feeding on Artemisia frigida, Potentilla acaulis and Potentilla acaulis, but fed relatively little on Lespedeza bicolor, and only occasionally on Artemisia scoparia. It did not feed at all on Stipa bungeana, Leymus secalinus and Echinochloa crusgalli. Consumption and approximate digestion increased with age, and were significantly higher in female adults than in males. The developmental duration of every stage reduced with increasing temperature from 18℃ to 33℃. Excessively high or low temperatures were unfavorable to survival. Nymphs could not molt at 13℃, and adults could not mate or lay eggs at 18℃.. However, the preoviposition period at 33℃ was 5 d longer than that at 28℃. [Conclusion] The information obtained on the biological and ecological characteristics of C. abbreviatus should improve the forecast parameters for pest and provide a better basis for developing effective monitoring and early warning systems.