Some species parasitize caterpillars of species considered as pests. We report for the first time the occurrence of the wellknown eurasian and north african parasitoid cotesia vanessae reinhard hymenoptera. A new species and a key to world species of the flavipes speciesgroup of the genus cotesia cameron, 1891 hymenoptera. Geographic variation in host selection behaviour and reproductive. Clarification of the author and year of publication of. Pdf targeting the life cycle stages of the diamond back. Cotesia is a genus of braconid wasps first described by peter cameron in 1891. An cotesia flavipes in nahilalakip ha genus nga cotesia, ngan familia nga braconidae. Braconidae, gregarious larval endoparasitoids of lepidopteran stemborers mohamed n. Pdf releases of the parasitoid cotesia flavipes have been carried out. Releases of the parasitoid cotesia flavipes have been carried out since. Stem borers, cotesia flavipes, density, parasitism, field parts, rice growth stages tanzania 1. The cotesia flavipes speciesgroup is a monophyletic complex made up of until now four allopatric sister species, all gregarious endoparasitoids of a few families of. Adistinctadvantageofusingnearinfraredisthatdeadinsectscanbe sampled.
The use of an integrative taxonomic approach combining morphological. The genus thus has considerable importance from both. After 15 failures to establish cotesia flavipes cameron as a parasitoid of the sugarcane borer, diatraea saccharalis f. The braconid larval parasitoid, cotesia flavipes, is used as a biological control agent against the crambid chilo partellus, a serious pest of cereal crops in. Scientists from saari, mu, and the usa supervise mu graduate student mr.
Cotesia congregata is a parasitoid wasp of the genus cotesia. Clari cation of the author and year of publication of cotesia chilonis. Several cotesia species are also used as model organisms in physiology, ecology and population genetics studies. The genus is particularly noted for its use of polydnaviruses. Comparative studies of the influence of relative humidity. Targeting the life cycle stages of the diamond back moth plutella xylostella with three different parasitoid wasps article pdf available august 2014 with 128 reads how we measure reads. Responsible for cotesia flavipes half of the sugar traded in the world, the country has approximately 8. Thermal resilience may shape population abundance of two. Cotesia flavipes cameron, 1891 and other closely allied species, such as c. Pdf relationship between number of ovipositions of.
Eds manual of the new world genera of the family braconidae. The genus thus has considerable importance from both applied. Braconidae is often augmented against diatraea spp. A 2year field cage experiment was conducted in beaumont, texas to estimate parasitism of sugarcane borer, diatraea saccharalis f. Development of a new container for storage and release of. Pdf a new species and a key to world species of the. In bioassays, a blend comprised of z3hexenyl acetate, linalool, e4. Relationship between number of ovipositions of cotesia flavipes cam. Nearinfrared spectroscopic method to identify cotesia flavipes and cotesia sesamiae hymenoptera. Biological parameters of cotesia flavipes reared on different larval instars of chilo partellus under laboratory conditions javed khan, rabia ali, ammara blouch, habib iqbal javed, ehsan ul haq, tariq mehmood and awais rasool abstract the present study was conducted on biological parameters of parasitoid cotesia flavipes reared on chilo. The gregarious parasitoid cotesia flavipes displays a high. Molecular phylogeny of cotesia species hymenoptera.
Read preliminary evolutionary relationships within the parasitoid wasp genus cotesia hymenoptera. Braconidae is a parasitoid of lepidopteran species, particularly of the crambidae family, which includes the genera chilo and diatraea, which are stem pests of several crops including corn and sugarcane sallam et al. Identification of behaviourally active components from maize. Yu 1 canadian national collection of insects, ottawa, on, canada 2 department of life sciences, natural. Braconidae is used as a classical biological control agent against chilo partellus swinhoe. Neighborjoining tree generated under the kimura 2parameter k2p nucleotide. To assess the evolutionary stability of host range, we need to combine ecological, phylogenetic. Effects of single and multiple herbivory by host and nonhost caterpillars on the attractiveness of herbivoreinduced volatiles of sugarcane to the generalist parasitoid cotesia flavipes. Noctuidae recovered from several locations in southwestern ontario, canada, and detected by dna sequencing. Microgastrinae is one of the largest genera of parasitoid wasps, and its species are employed frequently as biological control agents against pest insects. The braconid wasp genus cotesia cameron braconidae. To confirm the identity of the species being released as well as those recovered in the field, including samples from the department of santander in western colombia, specimens were.
Geographic variation in host selection behaviour and. A lab experiment showed that the number of hosts parasitized per female per day reached a maximum 0. Distribution of rice stem borers and their parasitoid in. Chilo partellus tritrophic system cotesia flavipes gcead zen mays. The cotesia flavipes speciesgroup is a monophyletic complex made up of until. One option was the larval parasitoid cotesia flavipes cameron hy. Inbreeding is defined as matings between related individuals, including crosses between siblings, parents and cotesia flavipes, and between cousins cktesia 16. Ongoing ecological speciation in cotesia sesamiae, a biological. Dispersal of cotesia flavipes in sugarcane field and. Parasitoids are distinct from true parasites in that a parasitoid will ultimately kill its host or otherwise sterilize it. Keywords endoparasitism, sugarcane borer, morphology, cotesia flavipes, biological control.
An cotesia in nahilalakip ha familia nga braconidae. Olfactory orientation of cotesia flavipes cameron on. Braconidae as an augmentative biocontrol agent for the sugarcane borer lepidoptera. There are many borers of sugarcane in the far east and australian region. Between cotesia flavipes and cotesia sesamiae hymenoptera. An cotesia flavipes in uska species han hymenoptera nga ginhulagway ni cameron hadton 1891. Biological parameters of cotesia flavipes reared on.
Responses of the stem borer larval endoparasitoid cotesia flavipes. Intraspecific and interspecific competition between. Seventh annual report overview of the african site in uganda. Microsatellite loci and genetic structure of artificial. Parasitoids of cereal stem borers in the tropics find, read and cite all the research you need on. Polaszek and others published the cotesia flavipes speciescomplex. Three new species and two new records of the genus cotesia. P t nearinfrared spectroscopic method to identify cotesia. We investigated these points in cotesia sesamiae, an african. Species of this genus are selected regularly as biological control agents. These refuges were maintained with minimal disturbance from june 2001 to. Diatraea indigenella dyar and heinrich, an endemic pest of sugarcane in southern colombia, represents a novel host for c.
Cotesia flavipes pdf cotesia is a genus of braconid wasps. The present study is aimed to identify the collected cotesia species by using a 16s gene, to measure the homology between different cotesia populations and to assess the usefulness of this genetic region for phylogenetic studies. Comparative studies on the influence of relative humidity and temperature on the developmental time of two populations of cotesia flavipes journal of biological science of ethiopia. Proceedings of the national academy of sciences parasitism of stem borers lepidoptera. Graduate student work on identifying insect pests of cowpea and timing of chemical spray applications has been supported by the rockefeller foundation and has been integrated into ipm crsp work on cowpea. A neighborjoining tree k2p of all specimens in the barcoding of life data sys.
Cotesia flavipes cameron hymenoptera braconidae, a parasitic wasp that originated from the indoaustralian region polaszek and walker, 1991, was introduced from india and pakistan to brazil in the 1970s as a biocontrol agent of the sugarcane borer botelho et al. Cotesia flavipes cameron, a larval parasitoid used worldwide in biological control against tropical stemborers, has a wide host range in diverse habitats. Introduction chilo spp and sesamia calamistis hampson have been reported as. Your use of this pdf, the bioone complete website, and all posted and associated. Dispersal of cotesia flavipes in sugarcane field and implications for parasitoid releases leila luci dinardomiranda 1. Although these parasitoids have not yet become established, levels of parasitism by c.
Neighborjoining tree generated under the kimura 2parameter. Cotesia flavipes is an endoparsitoid, occurring naturally on all important insects of sugar cane borers, except the root borer in india. Neighborjoining tree generated under the kimura 2parameter k2p nucleotide substitution model. Brief communication spherites in the midgut epithelial. Cotesia congregata parasitizes the tomato and the tobacco hornworms. These refuges were maintained with minimal disturbance from june 2001 to june 2002.