Pathogenicity of Steinernema scapterisci to Selected Invertebrates.
نویسندگان
چکیده
Steinernema scapterisci was more pathogenic to insects tested in the order Orthoptera than to those in the orders Lepidoptera or Hymenoptera; it was not pathogenic to earthworms. The nematode also infected and killed the mole crickets Scapteriscus acletus and S. vicinus when released four successive times at 10-day intervals in containers of soil infested with the nematode.
منابع مشابه
BIOLOGICAL CONTROL Susceptibility of House Fly (Diptera: Muscidae) Larvae to Entomopathogenic Nematodes (Rhabditida: Heterorhabditidae, Steinernematidae)
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متن کاملInfective Juveniles of the Entomopathogenic Nematode Steinernema scapterisci Are Preferentially Activated by Cricket Tissue
Entomopathogenic nematodes are a subgroup of insect-parasitic nematodes that are used in biological control as alternatives or supplements to chemical pesticides. Steinernema scapterisci is an unusual member of the entomopathogenic nematode guild for many reasons including that it is promiscuous in its association with bacteria, it can reproduce in the absence of its described bacterial symbion...
متن کاملMode of Entry and Sites of Development of Steinernema scapterisci in Mole Crickets.
Infective juvenile steinernematid nematodes have been reported to enter their insect hosts through the mouth, anus, and spiracles (1-3,5-8). Information is lacking, however, for Steinernema scapterisci Nguyen & Smart, 1990 (4), a promising biological control agent of mole crickets in the genus Scapteriscus. This paper reports on the mode of entry of S. scapterisci into mole crickets and the pri...
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The life cycle of Steinernema scapterisci Nguyen and Smart, 1990 consists of an egg stage, four juvenile stages, and an adult stage (male and female). The cycle from IJ (third stage infective juveniles) to IJ may proceed by one of two routes. If the nutrient supply is sufficient and the population is not overcrowded, the IJ develop to adult males and females of the first generation. Most eggs f...
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ورودعنوان ژورنال:
- Journal of nematology
دوره 23 1 شماره
صفحات -
تاریخ انتشار 1991