Ballal C R, Varshney R, Joshi S
ICAR-National Bureau of Agricultural Insect Resources, Bangalore, 560 024, India.
Neotrop Entomol. 2019 Aug;48(4):668-677. doi: 10.1007/s13744-019-00684-7. Epub 2019 May 1.
A minute pirate bug, Amphiareus constrictus (Stål) (Hemiptera: Anthocoridae), the biology of which has been less studied, was successfully reared in the laboratory for more than 20 generations. Studies were conducted to understand its biology, life table parameters, and predatory potential. Besides the adult, the egg and all five nymphal instars are described with live images, which can serve as additional characters for identification. The biological parameters were studied at different temperatures. Rearing temperatures of 25 and 30°C were found to be suitable for hatching and nymphal survival to adult stage (88.5 and 75%, respectively). Life table parameters like net reproductive rate (R), precise intrinsic rate of increase (r), finite rate of increase (λ) and hypothetical F females were higher at 25°C. A nymph could consume a total of 32.8 ± 1.8 Corcyra cephalonica Stainton eggs. Male and female adult consumed a total of 179.0 ± 15.6 and 388.5 ± 58.6 C. cephalonica eggs, respectively. The data generated through studies on biology, fertility, and predatory potential led to the standardization of a simple production protocol for A. constrictus utilizing the eggs of the rice moth C. cephalonica. Predatory potential studies on Tuta absoluta (Meyrick) indicated that a nymph could consume 154.8 eggs during nymphal duration. Male and female adults could consume 1280.5 and 1435 eggs, respectively. The mass-reared A. constrictus can be field evaluated against the tomato pinworm TT absoluta and the brown plant hopper Nilaparvata lugens Stål.
一种微小的花蝽，窄腹小花蝽（Amphiareus constrictus (Stål)）（半翅目：花蝽科），其生物学特性此前研究较少，现已在实验室成功饲养了20多代。开展了研究以了解其生物学特性、生命表参数和捕食潜能。除成虫外，还通过活体图像描述了卵及所有五个若虫龄期，这些可作为辅助鉴定特征。在不同温度下研究了生物学参数。发现25℃和30℃的饲养温度适合孵化及若虫存活至成虫阶段（分别为88.5%和75%）。净生殖率（R）、精确内禀增长率（r）、有限增长率（λ）和假定F雌虫等生命表参数在25℃时更高。一只若虫总共可消耗32.8±1.8粒米蛾（Corcyra cephalonica Stainton）卵。雄成虫和雌成虫分别总共消耗179.0±15.6粒和388.5±58.6粒米蛾卵。通过对生物学、繁殖力和捕食潜能的研究得出的数据，促成了利用米蛾卵制定窄腹小花蝽简单生产方案的标准化。对番茄潜叶蛾（Tuta absoluta (Meyrick)）的捕食潜能研究表明，一只若虫在若虫期可消耗154.8粒卵。雄成虫和雌成虫分别可消耗1280.5粒和1435粒卵。大量饲养的窄腹小花蝽可在田间对番茄潜叶蛾和褐飞虱（Nilaparvata lugens Stål）进行评估。
