| This paper reports the morphology, life history and biological characteristics of Euodynerus nipanicus (Schulthess), an important solitary predatory insect, which plays a vital role in controlling the lepidopterous pests of the southern forest in China. E. nipanicus has four generations a year in Ganzhou, Jiangxi province and overwinters as diapausing mature larvae in cell of the nest pipes. The diapause stage of E.nipanicus is about 190 d. Adults reappeared in late April of the following year, are mainly mating, nesting, ovipositing and storing bee bread through catching the larval of lepidopterous pests. The nests were collected and breed in the lab. Laboratory observations show that eggs were slightly curved oblong cylinder, which is about 2.912 ± 0.127 mm long. Eggs required average of 2-4 d to develop (mean 2.5 ± 0.99 d), the non-over winter larval stage lasted 6 -10 d (mean 8. 1 ± 0. 99 d), the prepupal stage was 4 -5 d (mean 4.3 ± 0. 48 d) and the pupal stage was 6-9 d (mean 7. 4 ± 0.84 d). The ratio of females to males was 2.95:1. This research provides fundamental resource to further use E. nipanicus to control the lepidopterous pests in southern forest of China. |
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