Phylogeny of the Subfamilies of the Family Braconidae (Hymenoptera: Ichneumonoidea): A Reassessment

Wharton, Robert A.; Shaw, Scott Richard; Sharkey, Michael J.; Wahl, David B.; Woolley, James B.; Whitfield, James B.; Marsh, Paul M.; Johnson, Welkin E.

doi:10.1111/j.1096-0031.1992.tb00068.x

Cited by 81 publications

(92 citation statements)

References 40 publications

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“…More importantly, our finding represents the most basal phylogenetic placement of a mode of sex determination other than sl-CSD in the family Braconidae. The Doryctinae (to which H. prosopidis belongs) is considered basal to the Braconinae (van Achterberg, 1984;Quicke and van Achterberg, 1990;Wharton et al, 1992;Belshaw et al, 1998), where CSD was discovered in various species of Habrobracon (Whiting, 1961;Holloway et al, 1999;Weiser et al, 2004). The pattern of CSD that is beginning to emerge in the Braconidae could be explained by one of two hypotheses.…”

Section: Discussionmentioning

confidence: 99%

“…Here, we determine whether single-locus CSD operates in the braconid Heterospilus prosopidis Viereck, which is in the subfamily Doryctinae, itself considered to be basal to the Braconinae, and therefore near the base of the braconid clade (Wharton et al, 1992). A previous unpublished test of CSD in H. prosopidis was inconclusive due to difficulties in assessing developmental mortality and the lack of a true outcross, but failed to find an increase in the frequency of male production with generations of inbreeding (Cook, 1991;J Cook, personal communication).…”

Section: Introductionmentioning

confidence: 99%

“…Sex determination has been investigated in members of only three of about 40 subfamilies: the relatively basal Braconinae, the derived Microgastrinae, and the intermediate Alysiinae (see Quicke and van Achterberg, 1990;Wharton et al, 1992;van Achterberg and Quicke, 1992;and Belshaw et al (1998) for detailed treatments of the relationship among braconid subfamilies). Thus far, CSD has been confirmed in the braconine genus Habrobracon, and the microgastrine Microplitis croceipes (Whiting, 1961;Steiner and Teig, 1989).…”

Section: Introductionmentioning

confidence: 99%

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Single-locus complementary sex determination absent in Heterospilus prosopidis (Hymenoptera: Braconidae)

Hopper

Ode

et al. 2005

Heredity

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In the haplodiploid Hymenoptera, haploid males arise from unfertilized eggs, receiving a single set of maternal chromosomes while diploid females arise from fertilized eggs and receive both maternal and paternal chromosomes. Under single-locus complementary sex determination (sl-CSD), sex is determined by multiple alleles at a single locus. Sex locus heterozygotes develop as females, while hemizygous and homozygous eggs develop as haploid and diploid males, respectively. Diploid males, which are inviable or sterile in almost all cases studied, are therefore produced in high frequency under inbreeding or in populations with low sex allele diversity. CSD is considered to be the ancestral form of sex determination within the Hymenoptera because members of the most basal taxa have CSD while some of the more derived groups have other mechanisms of sex determination that produce the haplo-diploid pattern without penalizing inbreeding. In this study, we investigated sex determination in Heterospilus prosopidis Viereck, a parasitoid from a relatively primitive subfamily of the Braconidae, a hymenopteran family having species with and without CSD. By comparing sex ratio and mortality patterns produced by inbred and outbred females, we were able to rule out sl-CSD as a sex determination mechanism in this species. The absence of sl-CSD in H. prosopidis was unexpected given its basal phylogenetic position in the Braconidae. This and other recent studies suggest that sex determination systems in the Hymenoptera may be evolutionary labile. Heredity (2005) 95, 228-234.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Single-locus complementary sex determination absent in Heterospilus prosopidis (Hymenoptera: Braconidae)

Hopper

Ode

et al. 2005

Heredity

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“…However, recent phylogenetic studies have shown aphidiines to be a lineage within the Braconidae (Quicke & van Achterberg, 1990, 1992Wharton et al, 1992), but it still remains unclear that to which of the many braconid subfamilies the aphidiines are most closely related.…”

Section: Introductionmentioning

confidence: 99%

Molecular phylogeny of the Aphidiinae (Hymenoptera: Braconidae) based on DNA sequences of 16S rRNA, 18S rDNA and ATPase 6 genes

Shi¹,

Chen²

2005

Eur. J. Entomol.

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Abstract. Phylogenetic relationships among 16 genera of the subfamily Aphidiinae (Hymenoptera: Braconidae) were investigated using sequence data from three genes: the mitochondrial large ribosomal subunit (16S), 18S ribosomal DNA and mitochondrial ATPase 6. All sequences were downloaded from the GenBank database. A total of 2775 base pairs of aligned sequence were obtained per species from these three genes. The results support the existence of three-tribes: Ephedrini, Praini and Aphidiini, with the Ephedrini occupying the basal position; Aphidiini could be further subdivided into three subtribes: Monoctonina, Trioxina and Aphidiina. The genus Aphidius is a paraphyletic group. The taxonomic status of the subfamily Aphidiinae within the Braconidae is probably closer to the non-cyclostome than the cyclostome subfamilies.

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“…These determinations were based on various keys, including Delvare and Aberlenc (1989) for insect families in general, White (2006) and White and Elson-Harris (2004) for fruit flies, Wharton and Gilstrap (1983) and Wharton et al (1992) for parasitoïds. The monographs of Bordat and Arvanitakis (2004) and Bordat and Daly (1995) were also used.…”

Section: Identification Methodsmentioning

confidence: 99%

Diversity, abundance and incidence of fruit pest insects on three Solanum varieties (Solanaceae) in two agro-ecological zones of Southern Cameroon

Elono¹,

Aléné²,

Heumou³

et al. 2016

Afr. J. Agric. Res.

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Various species and varieties of the genus Solanum (Solanaceae) are among the most important market crops produced worldwide. They may be considered as multipurpose crops since leaves and/or fruits are eaten fresh or cooked in various dishes. The increase of garden surfaces and the permanence of gardening have induced frequent outbreaks and diversification of pests and cryptogrammic diseases. In order to improve farmer's capacities in controlling these constraints, the present study assessed diversity, abundance and incidence of fruit pests on Solanum spp. Data collection was conducted in two agroecological zones of southern Cameroon: Okola (Center Region) and Koutaba (Western Region), on three plant varieties from the genus Solanum: Solanum aethiopicum (African scarlet eggplant) with two varieties (jakatu and zong) and Solanum melongena (brinjal eggplant) var. inerme. The study aimed to (1) characterise the community of fruit pests associated with these plant varieties, (2) assess damage due to the main pests and (3) determine their impact on fruit yield. To achieve this, systematic sampling were done by visual observations in experimental gardens set up at the above cited sites. Harvests and incubations of infested fruits allowed identifying 15 insect species, belonging to three orders and 12 families: Lepidopterans with Leucinodes orbonalis, Cryptophlebia leucotreta, Helicoverpa armigera, Chrysodeixis chalcites and Hypolycaena phylippus), Dipterans with Batrocera (Batrocera) dorsalis, Ceratitis (Ceratitis) capitata, Ceratitis (Pterandrus) anonae, Neosilba sp., Atherigona sp. three unidentified species belonging to undetermined genera and Coleopterans with Diplognatha gagates and Formicomus sp.. Among them, H. phyllipus and C. chalcites were absent from Koutaba's samples. Without site considerations, L. orbonalis was the most abundant with higher incidence on fruit production. At Okola, fruit losses on S. aethiopicum var. jakatu, on S. aethiopicum var. zong and on S. melongena var. inerme were 53.8-76.97, 43.65-61.51 and 29.42-46.61% respectively while at Koutaba, they were 49.51-68.57, 33.41-60.23 and 11.68-30.44%. The present study provided baseline data for integrated pest management strategies of Solanum in Cameroon.

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Phylogeny of the Subfamilies of the Family Braconidae (Hymenoptera: Ichneumonoidea): A Reassessment

Cited by 81 publications

References 40 publications

Single-locus complementary sex determination absent in Heterospilus prosopidis (Hymenoptera: Braconidae)

Single-locus complementary sex determination absent in Heterospilus prosopidis (Hymenoptera: Braconidae)

Molecular phylogeny of the Aphidiinae (Hymenoptera: Braconidae) based on DNA sequences of 16S rRNA, 18S rDNA and ATPase 6 genes

Diversity, abundance and incidence of fruit pest insects on three Solanum varieties (Solanaceae) in two agro-ecological zones of Southern Cameroon

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