Braconidae, parasitoids of the gramineous stemborers. Parasitism by the endoparasitoid, cotesia flavipes induces. Field trials with cotesia flavipes cameron against sugarcane. Malpighian tubules in larvae of diatraea saccharalis. Alabagrus is active all year long while cotesia is usually most active after july. Braconidae as a biological control agent of sugarcane stem borers in. Cotesia vestalis is thus the second cotesia species in which csd is confirmed after it was shown to be present in c.
Crambidae, archives of insect biochemistry and physiology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. The parasitoid, cotesia flavipes cameron hymenoptera. In the context of a biological control program, the most commonly used parasitoids are the larval parasitoids, including cotesia flavipes cameron and cotesia sesamiae cameron hymenoptera. Identification of behaviourally active components from maize. Some species parasitize caterpillars of species considered as pests. Distribution of cereal stemborers in zambia and release of. Oct 01, 2014 read the parasitoid, cotesia flavipes cameron hymenoptera. Dec 18, 2006 cotesia vestalis is thus the second cotesia species in which csd is confirmed after it was shown to be present in c. Sex pheromones have rarely been studied in parasitoids, and it remains largely unknown how male and female parasitoids locate each other. Pdf spatial distribution of cotesia flavipes cameron. Please, help me to find this hg din actualizata pdf viewer.
Highlights we examined phylogenetics and genetic diversity of the cotesia flavipes complex. Parasitoids are distinct from true parasites in that a parasitoid will ultimately kill its host or otherwise sterilize it. Cotesia congregata parasitizes the tomato and the tobacco hornworms. Ongoing ecological speciation in cotesia sesamiae, a. Oct 03, 2019 cotesia flavipes pdf hg din actualizata pdf networks and services carrier ethernet pbt mplstp. However, the rates of parasitism were very low, ranging from 0. Alabagrus stigmatera and cotesia flavipes are important wasp parasitoids of the sugarcane borer larvae in florida.
Several wild plants, grasses mostly, have been identified that serve as hosts for stemborers and their parasitoids during the offseason when maize is not present in the field. In diatraea saccharalis larvae, the malpighian tubules are found along the digestive tube, extending from the middle mesenteric region to the end of the posterior intestine, where they come in contact with the rectum to form the cryptonephridium. These refuges were maintained with minimal disturbance from june 2001 to june 2002. Identification of behaviourally active components from. These refuges were maintained with minimal disturbance from june 2001 to.
Download cotesia flavipes cameron we are a sharing community. Biosystematics of the cotesia flavipes species complex hymenoptera. Scanning and transmission electron microscopy of nonparasitized and parasitized larvae by cotesia flavipes have indicated that the tubules consist of secretory and reabsorption cells. Braconidae, influences food consumption and utilization by larval diatraea saccharalis f. Inbreeding is defined as matings between related individuals, including crosses between siblings, parents and cotesia flavipes, and between cousins cktesia 16. The genus is particularly noted for its use of polydnaviruses. Heterozygosity and sex determination in haplodiploidy. Molecular identification is recommended prior to any biocontrol. Scanning and transmission electron microscopy of nonparasitized and parasitized larvae by cotesia flavipes have indicated that the tubules consist. Dec 20, 2019 cotesia flavipes reduces the food intake of parasitized larvae but increases the time the food remains in the gut by reducing gut motility rossi, salvador and consoli 2014.
This page was last edited on 28 november 2015, at 12. The koinobiont cotesia flavipes responds to and is influenced by biochemical changes in the host hemolymph composition, diatraea saccharalis. Changes in the hemolymph and fat body metabolites of. We used a multilocus network approach and species tree inference methods. We investigated possible attraction and repellency between the sexes of two braconid wasps belonging to the same genus, the gregarious parasitoid, cotesia glomerata l. Read spatial and temporal population interactions between the parasitoids cotesia flavipes and tachinidae flies. The parasitoid cotesia flavipes cameron, hymenoptera.
The two parasitoids are morphologically similar, and. Will cotesia flavipes drive its african homologue, cotesia. Impacts of seven insecticides on cotesia flavipes cameron. Cotesia flavipes cameron is a parasitoid responsible for maintaining populations of sugarcane borer, diatraea saccharalis f. Cotesia flavipes pdf cotesia is a genus of braconid wasps. Eggs of these endoparasites parasites that grow within the host are injected directly into the borer larvae. Bacterial, fungal, or viral beneficial organisms registered by the united states environmental protection agency and the office of the indiana state chemist are exempted. Cotesia flavipes was recovered from all the three stemborer species found at each site during the season of release and a year later. Phylogenetics and genetic diversity of the cotesia. Cotesia flavipes had significantly higher heat tolerance measured as ctmax, as well as cold tolerance. Transient expression of an ep1like gene encoded in cotesia plutellae bracovirus suppresses the hemocyte population in the diamondback moth, plutella.
Bt cotton producing cry1ac and cry2ab does not harm two. In this case, retention of food in the gut allows parasitized larvae to have similar nutritional indices than unparasitized larvae rossi, salvador and consoli 2014. Braconidae, is a gregarious larval endoparasitoid of the sugarcane borer, diatraea saccharalis fabricius lepidoptera. Suitability of african gramineous stemborers for development of cotesia flavipes and c. Observations were made at a first collection time 45 d after the initial release and a second collection time 75 d after the initial release. Field trials with cotesia flavipes cameron against. This page was last edited on 9 december 2014, at 03. Insects free fulltext carryover niches for lepidopteran.
Responsible for cotesia flavipes half of the sugar traded in the world, the country has approximately 8. Mar 01, 2004 read spatial and temporal population interactions between the parasitoids cotesia flavipes and tachinidae flies. Sampling performed using sugarcane stems conference paper pdf available. Phylogenetics and genetic diversity of the cotesia flavipes. Before its release, countrywide surveys on stemborers and their natural enemies were conducted in several places. Files are available under licenses specified on their description page. Braconidae are economically important for the biological control of lepidopteran stemboring pests associated with gramineous crops. Changes in the composition of macronutrients may occur due to the hosts own development or by changes induced after parasitization. Proceedings of the national academy of sciences parasitism of stem borers lepidoptera. Cotesia congregata is a parasitoid wasp of the genus cotesia. Braconidaeparasitoid of sugarcane borers diatraea spp. The cotesia flavipes complex of parasitoid wasps hymenoptera. Distribution maps top of page you can pan and zoom the map.
An cotesia in nahilalakip ha familia nga braconidae. Cotesia is a genus of braconid wasps first described by peter cameron in 1891. Distribution of cereal stemborers in zambia and release of cotesia flavipes cameron, an exotic natural enemy of chilo partellus swinhoe volume 21 issue 4 p. Some members of the complex successfully parasitize numerous stemborer pest species, however certain geographic populations have demonstrated variation in the range of hosts that they parasitize. In parasitized larvae, the occurrence of hemocytes and teratocytes around the tubules is indicative of their role in immunological defense. However, their abundance is much lower in wild plants compared to.
Jun 29, 2019 cotesia flavipes pdf cotesia is a genus of braconid wasps. Sampling performed using sugarcane stems conference paper pdf available november 2012 with 48. Changes in the hemolymph and fat body metabolites of diatraea. For a beneficial organism to qualify for an exemption or general license under 312 iac 18315 d, the organism must originate from cultures free of parasites and pathogens. This paper addresses the competitive interaction between cotesia sesamiae, a gregarious larval endoparasitoid that is native to africa, and cotesia flavipes, an introduced parasitoid from southern pakistan which has recently been established in east africa for biological control of the exotic stemborer, chilo partellus. Field trials were conducted on the releases of cotesia flavipes cameron indonesian strain against sugarcane stalk chilo auricilius dudg. Identification of behaviourally active components from maize volatiles for the stemborer parasitoid cotesia flavipes cameron hymenoptera. Spatial and temporal population interactions between the. Braconidae, a gregarious larval endoparasitoid of chilo partellus swinhoe lepidoptera. Jun 01, 2004 after 15 failures to establish cotesia flavipes cameron as a parasitoid of the sugarcane borer, diatraea saccharalis f. Braconidae, an important gregarious larval endoparasitoid of sugarcane borers, is widely distributed in different cane growing regions in india with its range of parasitisation from 4. Insects free fulltext exceptional use of sex pheromones.
Crambidae was investigated as an alternative host for c. Apr 19, 2020 cotesia flavipes pdf cotesia is a genus of braconid wasps. Read the parasitoid, cotesia flavipes cameron hymenoptera. Description download cotesia flavipes cameron comments. After 15 failures to establish cotesia flavipes cameron as a parasitoid of the sugarcane borer, diatraea saccharalis f. Sources of infestation are the key elements to be considered in the development of habitat management techniques for the control of maize stemborers. Analyses support intraspecific variation and the occurrence of cryptic speciation. Average proportion of larval parasitism of cotesia flavipes on diatraea tabernella after 3 releases of 4 g of cocoons per ha each, from 2 sources of c. Complementary sex determination in the parasitoid wasp. Cotesia flavipes was reared for five generations on d. Crambidae and other stemborers in the indoaustralian region, was released in mozambique for the first time in 1996. Crambidae, archives of insect biochemistry and physiology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your. All structured data from the file and property namespaces is available under the creative commons cc0 license. Analyses support the monophyly of the complex and the presence of four species.