Introduction and establishment of &lt;i&gt;Microplitis croceipes&lt;/i&gt; a larval parasitoid of heliothis in North Island pine forests

Herman, Tim; Davidson, M.M.

doi:10.30843/nzpp.2000.53.3624

Cited by 5 publications

(4 citation statements)

References 10 publications

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“…Microplitis croceipes was relatively common in the Pukekohe trial whereas previous surveys have indicated that this species was only established on the East Coast of the North Island (Walker & Cameron 1989) and the North Island volcanic plateau (Herman & Davidson 2000) and rarely found in other regions (Walker et al 2004). In the present study, C. kazak was the only parasitoid species recovered when Z. radicans infection was the most common mortality factor.…”

Section: Discussionmentioning

confidence: 83%

Parasitism of tomato fruitworm larvae in process tomatoes at Pukekohe

Walker¹,

Herman²,

Qureshi³

et al. 2005

NZPP

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A process tomato trial was undertaken at Pukekohe to investigate the interactions between tomato fruitworm Helicoverpa armigera and its larval parasitoids the accidentally introduced generalist Meteorus pulchricornis and the introduced specialists Cotesia kazak and Microplitis croceipes Total mortality of larvae caused by parasitism was 75 with M pulchricornis the dominant parasitoid reared from 54 of parasitised larvae and C kazak and M croceipes reared from 33 and 13 respectively Cotesia kazak attacked smaller larvae than the other two species and was able to survive in the presence of the entomopathogenic fungus Zoophthora radicans late in the crop These results contrast with those for corresponding parasitism in Hawkes Bay where C kazak is very dominant It is concluded that the availability of alternative hosts in areas like Pukekohe is causing the displacement of C kazak there but that this is having little impact on biocontrol of this pest in tomatoes

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Section: Discussionmentioning

confidence: 83%

Parasitism of tomato fruitworm larvae in process tomatoes at Pukekohe

Walker¹,

Herman²,

Qureshi³

et al. 2005

NZPP

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“…This wasp is a highly specialized endoparasitoid (Le & Takasu, 2005) with its primary hosts being Helicoverpa zea (F.) (Lepidoptera: Noctuidae) and Heliothis virescens (Boddie) (Lepidoptera: Noctuidae) (Lewis, 1970). It is categorized as a beneficial arthropod in row crops (Lewis, 1970), vegetable crops, and the cultivation of pine saplings (Herman & Davidson, 2000). In some cases, M. croceipes is known to parasitize Helicoverpa armigera (Hübner), which is a close relative of its primary hosts and a more serious agricultural pest in Asian countries (Herman & Davidson, 2000;Le & Takasu, 2005).…”

Section: A Model System For Examining Associative Learning By Arthropodsmentioning

confidence: 99%

“…It is categorized as a beneficial arthropod in row crops (Lewis, 1970), vegetable crops, and the cultivation of pine saplings (Herman & Davidson, 2000). In some cases, M. croceipes is known to parasitize Helicoverpa armigera (Hübner), which is a close relative of its primary hosts and a more serious agricultural pest in Asian countries (Herman & Davidson, 2000;Le & Takasu, 2005).…”

Section: A Model System For Examining Associative Learning By Arthropodsmentioning

confidence: 99%

Development of Microplitis croceipes as a biological sensor

Tomberlin

Rains

Sanford

2008

Entomologia Exp Applicata

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Classical conditioning, a form of associative learning, was first described in the vertebrate literature by Pavlov, but has since been documented for a wide variety of insects. Our knowledge of associative learning by insects began with Karl vonFrisch explaining communication among honeybees, Apis mellifera L. (Hymenoptera: Apidae). Since then, the honey bee has provided us with much of what we understand about associative learning in insects and how we relate the theories of learning in vertebrates to insects. Fruit flies, moths, and parasitic wasps are just a few examples of other insects that have been documented with the ability to learn. A novel direction in research on this topic attempts to harness the ability of insects to learn for the development of biological sensors. Parasitic wasps, especially Microplitis croceipes (Cresson) (Hymenoptera: Braconidae), have been conditioned to detect the odors associated with explosives, food toxins, and cadavers. Honeybees and moths have also been associatively conditioned to several volatiles of interest in forensics and national security. In some cases, handheld devices have been developed to harness the insects and observe conditioned behavioral responses to air samples in an attempt to detect target volatiles. Current research on the development of biological sensors with insects is focusing on factors that influence the learning and memory ability of arthropods as well as potential mathematical techniques for improving the interpretation of the behavioral responses to conditioned stimuli. Chemical detection devices using arthropod-based sensing could be used in situations where trained canines cannot be used (such as toxic environments) or are unavailable, electronic devices are too expensive and/or not of sufficient sensitivity, and when conditioning to target chemicals must be done within minutes of detection. The purpose of this article is to provide a brief review of the development of M. croceipes as a model system for exploring associative learning for the development of biological sensors. Harnessing nature for the development of biological sensorsInteractions between individuals involve receiving and interpreting information from the environment as well as from one another. Depending on the type of information, a variety of responses can be produced. In many cases, the ability to detect, recognize, and respond quickly to these stimuli is essential for survivorship. Delayed responses or incorrect responses to a stimulus can reduce the likelihood of acquiring a resource, such as food. When viewed at a greater ecological level, incorrect responses can be the difference between the life and death of an individual.Significant research has focused on understanding how plants and animals receive information from their environment. These efforts are wide ranging, from behavioral to cellular responses to stimuli. Such studies provide insight to animal and plant ecology. In addition, such research

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“…This parasitoid is considered to be an effective biological control agent of these pests in North America and possibly against other Helicoverpa/ Heliothis species (Lewis and Burton, 1970;King and Coleman, 1989;Knipling and Stadelbacher, 1983). Previous studies have indicated that this parasitoid is capable of parasitizing the non-natural host Helicoverpa armigera that is a serious pest of horticultural and ornamental crops worldwide including Japan and other Asian countries (Blumberg et al, 1997;Herman and Davidson, 2000). Although H. armigera was used for experiments as an alternative host of M. croceipes (Blumberg et al, 1997), suitability of this alternative host for parasitism by M. croceipes has not been qualitatively evaluated.…”

Section: Introductionmentioning

confidence: 99%

Helicoverpa armigera as an alternative host of the larval parasitoid Microplitis croceipes (Hymenoptera: Braconidae)

Hoang

Takasu

2005

Appl. Entomol. Zool.

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Microplitis croceipes is a solitary larval parasitoid of Helicoverpa/Heliothis species in North America. Laboratory experiments were conducted to determine suitability of the non-natural host, a Japanese strain of Helicoverpa armigera for parasitism by M. croceipes. Females oviposited in the third instar of H. armigera. When the parasitized hosts were reared with artificial diet at 15-30°C with 16L:8D, 67-92% of them produced parasitoid pupae. However, only 9% at 13°C and 53% at 33°C produced parasitoid pupae, and none of those parasitoid pupae developed to adults at these temperatures. Mean time taken from oviposition to adult emergence varied from 14.8 d at 30°C to 53.2 d at 15°C for males and from 15.5 d at 30°C to 60.7 d at 15°C for females. The proportions of females in the emerged adults were 0.45-0.56. Mean lengths of forewings varied from 4.4 mm at 30°C to 4.9 mm at 15°C for males and from 4.3 mm at 30°C to 4.7 mm at 15°C for females. H. armigera was as suitable for parasitism by M. croceipes as H. zea and H. virescens, natural hosts of this parasitoid. The optimal temperature range for development of M. croceipes was 20-28°C.

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Introduction and establishment of <i>Microplitis croceipes</i> a larval parasitoid of heliothis in North Island pine forests

Cited by 5 publications

References 10 publications

Parasitism of tomato fruitworm larvae in process tomatoes at Pukekohe

Parasitism of tomato fruitworm larvae in process tomatoes at Pukekohe

Development of Microplitis croceipes as a biological sensor

Helicoverpa armigera as an alternative host of the larval parasitoid Microplitis croceipes (Hymenoptera: Braconidae)

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