Interaction of Bracon hebetor (Hymenoptera: Braconidae) and Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) in Suppressing Stored-Product Moth Populations in Small Inshell{middle dot}Peanut Storages

Brower, John; Press, J. W.

doi:10.1093/jee/83.3.1096

Cited by 50 publications

(29 citation statements)

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“…This is in contrast with previous results reported by Brower and Press (1990) where the simultaneous presence of H. hebetor and the egg parasitoid Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) suppressed E. cautella populations in stored peanuts. However, in another study, Cline and Press (1990) stated that H. hebetor failed to prevent packaged raisins and cornmeal from becoming infested.…”

Section: Discussioncontrasting

confidence: 99%

Spatiotemporal Clustering and Association of <I>Ephestia kuehniella</I> (Lepidoptera: Pyralidae) and Two of Its Parasitoids in Bulk-Stored Wheat

Athanassiou

Saitanis²

2006

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To assess the spatiotemporal distribution of insects in a flat storage containing wheat (Triticumn spp.), probe traps were suspended in the wheat bulk and inspected for captured insects at 15-d intervals, from June 2001 to August 2002. The grain bulk was 1 m in height, and traps were placed at the upper and the lower 0.5 m of the bulk. During the entire trapping period, 17 insect taxa were recorded. The most abundant species were Ephestia kuehniella Zeller (Lepidoptera: Pyralidae) and its larval parasitoids Harbobracon hebetor (Say) (Hymenoptera: Braconidae) and Venturia canescens (Gravenhorst) (Hymenoptera: Ichneumonidae). Most individuals were found in the upper bulk part. The highest E. kuehniella trap catches were found between August and November 2001 and during June and July 2002. Of the two parasitoids, H. hebetor was more abundant than V. canescens, with the exception of winter and early spring, when both species occurred at low numbers, especially H. hebetor. Spatial analysis by distance indices (SADIE) spatiotemporal analysis showed significant clustering of species, especially during summer and autumn. Early in the season and during spring 2002, at low host numbers, V. canescens occupied the locations where E. kuehniella mainly aggregated, but with the increase of E. kuehniella population, H. hebetor occupied these host groups and replaced V canescens. Although the two parasitoids competed for the same host species, both species coexisted in the storage facility during the entire trapping period.

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Section: Discussioncontrasting

confidence: 99%

Spatiotemporal Clustering and Association of <I>Ephestia kuehniella</I> (Lepidoptera: Pyralidae) and Two of Its Parasitoids in Bulk-Stored Wheat

Athanassiou

Saitanis²

2006

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“…The ectoparasitoid Habrobracon hebetor (Say) (= Bracon hebeto r) (Hymenoptera: Braconidae) is considered as a potential biological control agent of several pyralid moth pests infesting warehouses due to its rapid population growth (Amir‐Maafi & Chi, ; Balevski, ; Brower & Press, ; Huang, ; Keever et al ., ; Press et al ., ). It has been used to suppress moth populations in stored products (Balevski, ; Brower & Press, ; Cline & Press, ; Garba & Gaoh, ; Huang, ; Press et al ., ) and in field crops (Cheng, ; Gerling, ; Imam et al ., ; Uwais et al ., ). Long‐term storage of H. hebetor would facilitate its use in biological control programs, and we have recently shown that adult females appear to enter reproductive diapause when reared at 17.5°C or 20°C at 10 : 14 L : D (Chen et al ., ) and that these females can be stored for up to 2 months without loss of vitality (Chen et al ., ).…”

Section: Introductionmentioning

confidence: 99%

Transcript analysis and expression profiling of three heat shock protein 70 genes in the ectoparasitoid Habrobracon hebetor (Hymenoptera: Braconidae)

et al. 2013

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Heat shock proteins (HSPs) are known as chaperones that help with folding of other proteins when cells are under environmental stresses. The upregulation of HSPs is essential for cold survival during insect diapause. The ectoparasitoid Habrobracon hebetor, a potential biological control agent, can enter reproductive diapause when reared at low temperature and short photoperiod. However, the expression of HSPs during diapause of H. hebetor has not been studied. In this study, we sequenced and characterized the full-length complementary DNAs of three Hsp70 genes (HhHsp70I, HhHsp70II and HhHsp70III) from H. hebetor. Their deduced amino acid sequences showed more than 80% identities to their counterparts from other insect species. However, the multiple sequence alignment among the three deduced amino acid sequences of HhHsp70s showed only 46% identities. A phylogenetic analysis of the three HhHsp70s and all other known Hsp70 sequences from Hymenoptera clustered all the Hsp70s into four groups, and the three HhHsp70s were distributed into three different groups. Real-time quantitative polymerase chain reaction analysis showed that the expression of the three HhHsp70 genes in H. hebetor reared at different conditions was quite different. HhHsp70I showed higher relative expression when H. hebetor were reared at 27.5°C than at two lower temperatures (17.5°C and 20°C) regardless of the photoperiod, whereas HhHsp70II showed higher expression when H. hebetor were reared at 20°C and 10 : 14 L : D than when reared at 17.5°C and either 16 : 8 L : D or 10 : 14 L : D. In contrast, HhHSP70III was expressed at similar levels regardless of the rearing conditions. These results may suggest functional differences among the three HhHsp70 genes in H. hebetor.

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“…The biology of B. hebetor has been intensively studied because of its suitability as a model organism since it is easy to rear in the laboratory and also because it has potential as a biological control agent of stored product moths (e.g., Benson, 1973;Brower and Press, 1990;Hagstrum and Smittle, 1977;Nikam and Pawar, 1993;Reinert and King, 1971;Ohh, 1993;Rotary and Gerling, 1973;Taylor, 1988a, b;Yu et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Effect of host density on egg dispersion and the sex ratio of progeny of Bracon hebetor (Hymenoptera: Braconidae)

Ryoo

et al. 2003

Journal of Stored Products Research

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Interaction of Bracon hebetor (Hymenoptera: Braconidae) and Trichogramma pretiosum (Hymenoptera: Trichogrammatidae) in Suppressing Stored-Product Moth Populations in Small Inshell{middle dot}Peanut Storages

Cited by 50 publications

References 0 publications

Spatiotemporal Clustering and Association of <I>Ephestia kuehniella</I> (Lepidoptera: Pyralidae) and Two of Its Parasitoids in Bulk-Stored Wheat

Spatiotemporal Clustering and Association of <I>Ephestia kuehniella</I> (Lepidoptera: Pyralidae) and Two of Its Parasitoids in Bulk-Stored Wheat

Transcript analysis and expression profiling of three heat shock protein 70 genes in the ectoparasitoid Habrobracon hebetor (Hymenoptera: Braconidae)

Effect of host density on egg dispersion and the sex ratio of progeny of Bracon hebetor (Hymenoptera: Braconidae)

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