The increase in concentrations of atmospheric carbon dioxide co2, not only affects plant growth and development, but also affects the emission of plant organic volatile compounds vocs. Apart from sucking the phloem of host plants and thereby being treated in agriculture as pests, some species are vectors for viral pathogens. Pdf taxonomy and natural history of cattail aphids. An rhopalosiphum maidis in uska species han insecta nga syahan ginhulagway ni fitch hadton 1856.
Agroatlas pests rhopalosiphum maidis fitch corn leaf aphid. From 1988 to 2000 data on the seasonal abundance of sorghuminfesting aphids and ladybeetles were collected from a total of 21 irrigated and 12 rainfed grain sorghum fields. Chemicals and equipment all reagents used were of analytical grade. Jstei management of corn borer, helicoverpa zea journal. The adult is yellow in color and has dark green legs. Twentyone enzyme systems were tested using starchgel techniques. Biokids kids inquiry of diverse species, rhopalosiphum. Corn leaf aphid, rhopalosiphum maidis, as a key to. Laboratories worldwide use antibodies to classify local isolates into one of the above serotypes. The bird cherryoat aphid rhopalosiphum padi is an aphid in the superfamily aphidoidea in the order hemiptera. Life cycle an anholocyclic aphid reproducing parthenogenetically only. The nymphs have the same appearance as the wingless adults with smaller size and underdeveloped antennae and tailpipes. This aphid species does not colonize potato solanum tuberosum l. Files are available under licenses specified on their description page.
This page was last edited on december 2019, at 18. Females give birth to living young without mating and a generation requires only a week. The production of the arab republic of egypt reached to about 1% of the total global production during 200020 while egypt represents the third place at the level of the african continent. Research experiments were conducted on maize in order to evaluate the bioefficacy of some biopesticides for controlling maize aphid under field condition at the entomology field laboratory, department of entomology, bangladesh agricultural university.
The same is true for the corn leaf aphid, rhopalosiphum maidis hemiptera. Such relationships, often adaptively important, comprise the oldest of communication systems in terrestrial and aquatic environments. Hydroxamic acids affecting barley yellow dwarf virus transmission by the aphid rhopalosiphum padi. Herbivoreinduced emissions of maize volatiles repel the corn leaf aphid, rhopalosiphum maidis. Changes in the plant odor profile may affect the plantinsect interactions. Climate change is a major environmental concern and is directly related to the increasing concentrations of greenhouse gases. Rhopalosiphum maidis, common names corn leaf aphid and corn aphid, is an insect, and a pest of maize and other crops. Rhopalosiphum maidis rhopmaoverview eppo global database. The vein structure of the wings separates schizaphis from rhopalosiphum, however, as there were no alates available, molecular analyses were carried out to verify the relationship with the genus rhopalosiphum through. Phloem sap of transgenic bacillus thuringiensis bt corn expressing a truncated form of the b. Bt corn was collected using a newly developed technique with a microcapillary.
The maize aphid, rhopalosiphum maidis is one of the most destructive pests of maize crop. Landing preference and reproduction of rhopalosiphum padi. Dynamic maize responses to aphid feeding are revealed by a. Rhopalosiphum padi in the aphid species file database, accessed on 08012014. Some biological aspects of rhopalosiphum maidis fitch. Rhopalosiphum oxyacanthae rhopalosiphum insertum on hawthorn shoot flickr s. It has a nearly worldwide distribution and is typically found in agricultural fields, grasslands, and forestgrassland zones. Kring tj 1985 key and diagnosis of the instars of the corn leaf aphid rhopalosiphum maidis fitch.
Matis2 1 texas agricultural experiment station, amarillo, tx, usa. They found that of all aphid species tested, only d. The wingless form of corn leaf aphid rhopalosiphum maidis fitch is oval, about 116 inch 0. Characterization and discrimination of three rhopalosiphum. Sweet corn inbred hi3871 was observed to have high field resistance to aphids and was chosen for this genetic study. In 1994, halbert and colleagues studied the transmission of bcmv by five cereal aphids diuraphis noxia, metopholophium dirhodum, rhopalosiphum padi, schizaphis graminum, and sitobion avenae as well as myzus persicae halbert et al. From 1988 to 2000 data on the seasonal abundance of sorghuminfesting aphids and ladybeetles were collected from a total. Rhopalosiphum maidis is a cosmopolitan aphid species that feeds mostly on grasses and sedges. It is 2 mm long, with black legs, cornicles, and antennae. An extensive literature search found that many hymenopteran parasitoids and hyperparasitoids have been recorded from four economically important andor commonly encountered rhopalosiphum species. This page was last edited on 19 october 2019, at 10. Biological aspects, hybrids, nymphal stage, maize, rhopalosiphum maidis. A new species of rhopalosiphum hemiptera, aphididae on.
A common species in countries with hot climates, thus occurring in france in the mediterranean region only, where maize is cultivated. Seventeen clones of rhopalosiphum padi linnaeus, 1758, 14 of r. In addition to causing direct damage by removing photoassimilates, r. Aphididae, including a new synonymy and notes on ant and parasitoid associates of rhopalosiphum. Taxonomy and natural history of cattail aphids, rhopalosiphum enigmae hemiptera. Effect of temperature and host plants on progeny production of four biotypes of corn leaf aphid, rhopalosiphum maidis. Espesye sa insekto nga una nga gihulagway ni fitch ni adtong 1856 ang rhopalosiphum maidis. Resistance to corn leaf aphid rhopalosiphum maidis fitch. Effects of temperature and light on takeoff of rhopalosiphum maidis and shizaphis graminum in the field homoptera. It has a relatively narrow host range, having been recorded from species of over 8 plant families. An rhopalosiphum maidis in nahilalakip ha genus nga rhopalosiphum, ngan familia nga aphididae. An alate with a small colony of nymphs was found on 26 april, indicating that migration from the south starts early in the spring. The lowest developmental time of nymphal stage was recorded on hitech2066 with 5. Taxonomy and natural history of cattail aphids, rhopalosiphum.
A study of the aphididae homoptera of east africa 84 rhopalosiphum padi. Rhopalosiphum rufiabdominale is nearly cosmopolitan in distribution, but of significant economic importance in warmtemperate, subtropical, and tropical climates. Nov 25, 2015 media in category rhopalosiphum the following 5 files are in this category, out of 5 total. Corn leaf aphid rhopalosiphum maidisfitch, a polyphagous species of aphid known to attack more than 30 genera of the gramineae and most cereal crops, was originally an asiatic species, but is now distributed worldwide in the tropics, subtropics, and warmer temperate regions blackman and eastop, 2000. Insect and pathogen attack and resistance in maize and its.
Pdf a study of the biology of rhopalosiphum padi l. It is often considered as a major pest in cereals in temperate cereal crops, and particularly in some northern european countries. Biology of the corn leaf aphid, rhopalosiphum maidis homoptera. Temperature effects on life history traits of the corn leaf. Costs and benefits of hydroxamic acidsrelated resistance in winter wheat against the bird cherryoat aphid, rhopalosiphum padi l. Journal of chemical ecology is devoted to promoting an ecological understanding of the origin, function, and significance of natural chemicals that mediate interactions within and between organisms. Corn leaf aphid, rhopalosiphum maidis fitch hemiptera. All structured data from the file and property namespaces is available under the creative commons cc0 license.
A corn leaf aphid rhopalosiphum maidis colony was maintained on b73 maize plants as described previously meihls et al. Rhopalosiphum maidis an overview sciencedirect topics. Rpv rhopalosiphum padi, rmv rhopalosiphum maidis, mav sitobion avenae,sgvschizaphisgraminum,andpavr. Seventeen clones ofrhopalosiphum padi linnaeus, 1758, 14 of r. Value of the aphid rhopalosiphum padi as food for cereal spiders. Text is available under the creative commons attributionsharealike license. Media in category rhopalosiphum the following 5 files are in this category, out of 5 total. Rhopalosiphum oxyacanthae rhopalosiphum insertum on hawthorn shoot flickr.
The corn leaf aphid rhopalosiphum maidis fitch is the most economically damaging aphid pest on maize zea mays, one of the worlds most important grain crops. Corn leaf aphid, rhopalosiphum maidis, as a key to greenbugkey to greenbug, schizaphis graminumschizaphis graminum, biological control in grain sorghum, sorghum bicolorsorghum bicolor g j michels jrg. There was no evidence that the corn leaf aphid, rhopalosiphum maidis fitch, can overwinter in southwestern ontario. Rhopalosiphum is a genus of aphid of the family aphididae that includes 16 species worldwide. Corn leaf aphids rhopalosiphum maidis fitch are found throughout the year on maize in hawaii and occasionally cause yield loss.
The highest mean number of offspring was recorded on. Jul 07, 2015 performance of corn leaf aphid, rhopalosiphum maidis fitch homoptera. Review of literature in view of increasing awareness of sustainable agriculture in recent times, much attention is being paid to utilize biocontrol agents in the control of insect pests instead of spraying large amount of pesticides kajita et al. An artificial infestation technique was developed using hairpin clip cages 2.
Ang rhopalosiphum maidis sakop sa kahenera nga rhopalosiphum sa kabanay nga aphididae. Annals of the entomological society of america, 625. Pdf on jan 1, 1987, john e foster and others published a study of the biology of rhopalosiphum padi l. Natural control of diuraphis noxia and rhopalosiphum maidis by parasitic entomophthorales zygomycota in slovakia. Aphididae is an important vector of pvy sigvald 1987. Performance of corn leaf aphid, rhopalosiphum maidis fitch homoptera. A family of aphid proteins examples of rma14036 from r. Elsewhere, the birdcherry aphid rhopalosiphum padi is far more common. Proceedings of the institute of biology and the faculty of biology, kharkiv order of the red banner of labor a. Genome sequence of the corn leaf aphid rhopalosiphum. Insects free fulltext effects of host plants reared. For the timecourse bioassay, 10 adult aphids were confined on the second true leaf of 2weekold seedlings for 2, 4, 8, 24, 48, or 96 h using clip cages. Aphididae on selected maize hybrids under laboratory conditions.
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