Originally of probable Palearctic origin, it is now an invasive species of cosmopolitan distribution. Identified by Raw identification qualifier Taxon identification issue Specimen type Original name usage. Aphids ( Aphis craccivora Koch) are an important vegetative stage pest of cowpea in Africa. In general, this pest causes severe damage to beans in warm weather, especially in medium-rainfall areas of the region. Olfactometer experiments were conducted with apterae and alatae of the cowpea aphid, Aphis craccivora, Koch (Hom. Laamari M., Khelfa L. & Cœur d’acier A., 2008. :Aphidoidea).The occurrence of density dependent related pheromones and odour response to their host plant Vigna unguiculata was studied. Aphis fabae/solanella (Scopoli), Aphis craccivora (Bock), Toxoptera citricidus (Kilkaldy), Uroleucon ambrosiae (Thomas) and Myzus nicotianae (Blackman) are known ... Aphid species identification and descriptive indices used in diversity analysis and classification of aphid fauna Of these 20 species, four are found consistently in Florida groves: Aphis craccivora Koch, cowpea aphid ; Aphis gossypii Clover, cotton or melon aphid The main species of aphids attacking beans are Aphis fabae Scopoli and Aphis craccivora Koch. A.fabae is a small-sized dull-black insect (1.5–2 mm), sometimes with a segmented abdomen that is marked with a powdery secretion. Apterae responded with positive anemotaxis to air passed over both small groups of apterae and alatae (≤10 individuals) but … A. craccivora is mainly found on plants in the Leguminosae. eCollection 2020. Identification and characterization of resistance to cowpea aphid (Aphis craccivora Koch) in Medicago truncatula. Cowpea aphid, Aphis craccivora Cotton aphid, Aphis gossypii. ... 29 results for SPECIES: Aphis (Aphis) craccivora placeholder. Identification and Characterization of Neuropeptides and Their G Protein-Coupled Receptors (GPCRs) in the Cowpea Aphid Aphis craccivora. Identification (Back to Top) Worldwide, 16 species of aphids are reported to feed regularly on citrus. Cotton aphids are the primary aphid species of concern in cotton. 29, 30, and 31). It is one of the commonest aphid species in the tropics. Resistance source to cowpea aphid (Aphis craccivora Koch) in broad bean (Vicia faba L.) … Occurrence. Four more species may be occasional pests (Blackman and Eastop 1984, Stoetzel 1994). Their color varies from light yellow to dark green. BMC Plant Biology, 12, 101. In Texas, three species of aphids feed on cotton plants as secondary pests: the cotton aphid, the cowpea aphid, and the green peach aphid (Figs. The use of resistant cultivars is among the best management option for this pest, but the success of this strategy is influenced by the stability of the resistant genotype to the cowpea aphid biotypes present in the major cowpea growing areas in a country. Introduction A. craccivora is a cosmopolitan species with a worldwide distribution; abundant in subtropical and tropical regions, and in the Mediterranean. 2020 Sep 17;11:640. doi: 10.3389/fendo.2020.00640. Front Endocrinol (Lausanne). Aphis craccivora, variously known as the cowpea aphid, groundnut aphid or black legume aphid, is a true bug in the family Aphididae. The suitability of Aphis craccivora Koch (Hemiptera: Aphididae) and Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) biotype-B eggs and nymphs as prey … ( Aphis craccivora abundant in subtropical and tropical regions, and in the cowpea aphid Aphis craccivora )! 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