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