Modern humans200,000 years insects350 million years 100,000 different species live in north america. Biotypic diversity in russian wheat aphid populations has not been addressed since 2005 when rwa2 dominated the. Wingless adults shown here are greenishgray or gray with a dark sclerotic dorsal abdominal plate. Modern humans200,000 years insects350 million years. Regmi assistant professor department of entomology 2.
Moreover, noncultivated grasses maintain russian wheat aphid populations into the fall and enable a critical phase of the russian wheat aphid holocycle when sexual morphs occur, mate, and produce overwintering eggs that hatch to produce a tremendous amount of new biotypic diversity in the spring puterka et al. Effect of nitrogen fertilizer on the intrinsic rate of. Invasive pest species pose a major threat to agricultural production around the world. Convert ppt to pdf in seconds using adobe acrobat online services. Aphididae small softbodied plant lice family aphididae arthropod family any of the arthropods aphidoidea, superfamily aphidoidea plant lice. Pdf cosmopolitan pests such as brevicoryne brassicae, lipaphis pseudobrassicae, and. Aphids lee townsend, extension entomologist aphids are softbodied insects that use their piercing sucking mouthpa rts to feed on plant sap. Pdf aphids hemiptera, aphididae on ornamental plants. Thammasat international journal of science and technology. Ppt homoptera powerpoint presentation free to view. The upper left window features available lists the identification features and feature states to choose from the lower left window features chosen lists which feature states are currently selected the right window entities remaining lists the available endpoints of the key species and morphs. A list of the genera described as new from 1758 to 1909 in the family aphididae. Although fitness costs are reported for biotype3 on aphid. Entomology janet spencer extension agent, anr isle of wight county.
Change in biotypic diversity of russian wheat aphid. Evaluation of resistance in wheat against rhopalosiphumpadi l. Aphids are small sapsucking insects and members of the superfamily aphidoidea. Background rna interference rnai is a valuable reverse genetics tool to study gene function in various organisms, including hemipteran insects such as aphids. Hodgson extension entomologist utah state university. A key component of russian wheat aphid, diuraphis noxia kurdjumov, management has been through planting resistant wheat cultivars. Aug 17, 2017 abstract invasive pest species pose a major threat to agricultural production around the world. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Aphididae definition of aphididae by the free dictionary. No watermarks just converting pdf to ppt in seconds. Mediumsized aphids which may be winged or wingless.
Aphids feed on plant juices by using piercing and sucking mouthparts and are of considerable economic importance because they can act as vectors of plant viruses. Aphididae synonyms, aphididae pronunciation, aphididae translation, english dictionary definition of aphididae. First detection of russian wheat aphid diuraphis noxia. Macroevolutionary patterns in the aphidini aphids hemiptera.
Aphids hemiptera, aphididae on ornamental plants in greenhouses in bulgaria article pdf available in zookeys 319319. Convert your pdfs to powerpoint presentations free and easy to use. A guide to the phylogeny of the aphids or plant lice 2 note. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Aphid, family aphididae, any of a group of sapsucking, softbodied insects order homoptera that are about the size of a pinhead, most species of which have a pair of tubelike projections cornicles on the abdomen. Aphididae definition is a large family of homoptera comprising small softbodied plant lice that are usually somewhat pearshaped with wings if present held vertically over the back when at rest, welldeveloped antennae, and a pair of prominent waxsecreting cornicles on the posterior part of the abdomen from which the covering of white waxy filaments typical of many species is produced and. Aphididae on winter wheat in the eastern orange free state. Aphid, family aphididae, also called plant louse, greenfly, or ant cow, any of a group of sapsucking, softbodied insects order homoptera that are about the size of a pinhead, most species of which have a pair of tubelike projections cornicles on the abdomen.
Sternorrhyncha aphids, scales subordinal characteristics. Nearly 100 aphid species have been listed as serious agricultural pests. Aphididae aphids can feed on all plant parts most aphids use trees or woody hosts trees slow to develop resistance most aphid pests are exotic. Login to view email addressnational agricultural reearch center, islamabad.
Alatae have a oncebranched media in the fore wing and one oblique vein in the hind wing. Aphididae, and its potential impact on australian wheat yields. We studied the intergenerational effects of nitrogen n fertilizer applications to rice plants on the size, fecundity, and intrinsic rate of increase r m of hysteroneura setariae thomas. A lucid key has typically has four panels, but this key has three. Elateridae armyworm, mythimna separata lepidoptera. Aphid population growth parameters were greater for plants in the. Aphididae aphids can feed on all plant parts most aphids use trees or woody hosts trees slow to develop resistance. Aphididae homoptera sap feeder technology mission on cotton mini mission i 3. Ppt homoptera powerpoint presentation free to view id. Life history performance of aphi sgossypii hcmiptcra. Parasitism is a very common way of life, and probably the prevalent means of ob taining food among organisms.
The phylogenetic tree, based on papasotiropoulos 20 and kim 2011, with additions from ortizrivas and martineztorres 2009, shows the internal phylogeny of the aphididae. Until recently, the russian wheat aphid, diuraphis noxia kurdjumov, a major pest of wheat and barley. Converting powerpoint files to pdfs has never been so easy. Treatments consisted of rearing aphids on rice plants receiving 0. The phylogenetic tree, based on papasotiropoulos 20 and kim 2011, with additions from ortizrivas and martineztorres 2009, shows the internal phylogeny of the aphididae it has been suggested that the phylogeny of the aphid groups might be revealed by examining the phylogeny of their bacterial endosymbionts, especially the obligate endosymbiont buchnera.
Previous work has shown that rnaimediated knockdown of pea aphid acyrthosiphon pisum genes can be achieved through direct injection of doublestranded rna dsrna or smallinterfering rnas sirna into the pea aphid hemolymph or by. Abstract the relationship between infestation with diuraphis noxia and yield of winter wheat was established in a replicated field trial in south africa. Colopha is a small aphid genus, related to the genus kaltenbachiella. In addition to consuming plant phloem, the aphid may also pave the way for pathogens to enter the plant. Nov 20, 2015 hemi aphididae acyrthosiphon pisumkondoi. Naheed akhtar 1, noreen moin 2, ghulam jilani 2, ata u. In order to best utilize the identification key, your specimen must be cleared and mounted on a microscope slide. No file size restrictions, no ad watermarks just a free online tool for creating pdfs from your ppt slides. Determination of rwa flight patterns by suction air traps sats between 1994. The russian wheat aphid rwa, diuraphis noxia kurdj. Insects pests of wheat different insect pests attacking wheat are as follows.
Bin overlap confirms transcontinental distribution of pest aphids. Silencing of aphid genes by dsrna feeding from plants. Holotrichia serrata melolonthidae coleoptera odontotermes obesus termitidae isoptera melanapis glomerata diaspididae hemiptera ripersia sacchari pseudococcidae hemiptera pyrilla perpusilla lophopidae hemiptera ceratobvacuna lanigera aphididae hemiptera aleurolobus barodensis alerodidae hemiptera continued 4. Several thousand species are placed in this family, many of which are well known for being serious plant pests. Forecasting the favourableness of the australian environment for the russian wheat aphid, diuraphis noxia homoptera.
Here, we document the initial detection and establishment of d. This family, with about 4,500 named species, is the largest in the superfamily aphidoidea. Lecture no 3 pests of sorghum, pearl millet and finger millet. An attempt to anticipate biological control of diuraphis noxia hom. The regression of yield on infestation was negative and linear. Jahn international rice research institute, entomology and plant pathology division, dapo box 7777, metro manila, philippines. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Influence of sorghum cultivar, phenological stage, and fertilization. Pests of sorghum more than 150 species of insects have been reported to damage sorghum.
Aphidoidea definition of aphidoidea by merriamwebster. Reduced fitness of virulent aphis glycines hemiptera. They are also the family of insects containing most plant virus vectors around 200 known with the green peach aphid myzus persicae being one of the most prevalent and indiscriminate. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. General concepts on the evolutionary biology of parasites. The winged form see species overview has a characteristic dark posteriodorsal abdominal patch, a white patch and a large black pterostigmal spot on the forewing. Major questions about aphid evolution include origins of host alternation as well as age and patterns of diversification in relation to host plants. The aphididae are a very large insect family in the aphid superfamily, of the order hemiptera. Planned sample size distribution 110 articles with numbers of insects epg workshop 0 10 20 30 40 50 60 70 4 14 24 34 44 54 64 74 84 94 104 114 124 4 144 frequency. Evaluation of resistance in wheat against rhopalosiphumpadi. University of agricultural sciences, raichur college of agriculture, gulbarga course title. Establishment and characterizations of a new cell line from larval hemocytcsof rosc sawfly arge ochropus hymenoptera.
H eavi ly inf es ted l eaves can wilt or turn yellow because of excessive sap removal. Aug 01, 2005 effect of nitrogen fertilizer on the intrinsic rate of increase of hysteroneura setariae thomas homoptera. A new biotype, rwa2, appeared in 2003 which caused widespread damage to wheat cultivars containing the dn4 gene. See file hierarchy 021417 pseudoreplication occurs where there are multiple observations from the same. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. However over a dozen species are very serious and constitute a major constraint in sorghum production. Aphids can be serious plant pests and may stunt plant growth, produce plant. Aphididae and phylloxeridae induce colonial galls, by the feeding activity of a single female, usually the fundatrix, which reproduces parthenogenetically wool, 2004. Pdf aphids hemiptera, aphididae on ornamental plants in. That structure ends in a stigma, a solid spot on the anterior margin of the forewing.
Shoot fly, stem borers, shoot and ear head bug and aphids are. Revision of three aphids described from a redvein maple acer ru. University of agricultural sciences, raichur college of agriculture, gulbarga. Until recently, the russian wheat aphid, diuraphis noxia kurdjumov, a major pest of wheat and barley crops worldwide, was considered a high. You will need a compound microscope to examine the specimen, and a calibrated ocular micrometer or similar device to make measurements of anatomical features. These fitted values were then validated using the known. Aphid offers users detailed descriptions of morphological features critical to identifying aphids along with annotated photographs to help illustrate each feature. Insecta, hemimetabola, hemiptera, sternorrhyncha, aphidoidea common name. Aphids can be serious plant pests and may stunt plant growth, produce plant galls, transmit plant virus diseases, and cause the.
Noctuidae aphids, rhopalosiphum maidids, schizaphis. Russian wheat aphid, diuraphis noxia, was first detected in canada in late july 1988 when a few were found on latematuring spring cereals in southern alberta near the international boundary between coutts and aden. Forecasting the favourableness of the australian environment. Apterae on the secondary host differ from kaltenbachiella apterae in having the foretarsi parallelsided, with a ventral hair arising from a distal protrusion. Price department of entomology, university of illinois, urbana, illinois 61801 received march 5, 1976. Banana bunchy top virus and its vector pentalonia nigronervosa. The morphology pages are crosslinked with a detailed glossary. Stable age distributions of lucerne aphid populations in setasmania pdf. Worldwide, but more common in temperate zones than in tropical regions. The climex model for matching climates in ecology is used to forecast the favourableness of the australian environment for diuraphis noxia mordvilko. Entomology the study of insects dominant groups of animals on earth today life on earth.
Aphididae article about aphididae by the free dictionary. Sternorrhyncha, auchenorrhyncha, coleorrhyncha and heteroptera. Aphidoidea definition is a superfamily of homoptera comprising the aphids and now usually divided into a number of families such as aphididae, eriosomatidae, and phylloxeridae. Aphididae definition of aphididae by merriamwebster. Aphididae, and its potential impact on australian wheat yields volume 80 issue 2 r. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. In the hierarchical classification cohort insectprobeevent, any variable to the right of insect may have pseudoreplication. The forewing mesothoracic wing of the alate in the aphididae has four to six veins attached to a major veinlike structure that has been interpreted as the combined stems of all the other major wing veins.
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