ous weeds in early springand appear on cucurbs soon after they start growth. ittle bunches here and there through the field. Circular. Some common aphids of the garden A, winged form of the potato aphis, Illinoia solanijolii, one of the largest of the garden aphids. Honeydew is excreted by the aphids and this allows sooty moulds to grow, resulting in a decrease in the quantity and quality of the produce. Terms and conditions  ~   [1] The nymphs vary in colour, being shades of green, tan and gray. Beginning from left, Aphis avence, A. brassicce, A. gossypii, Chaitophorus negundinis, Hyadaphis sp., Liosomaphis sp. 5) and vary in color from watery white to green. [2], The cotton aphid has a very wide host range with at least 60 host plants being known in Florida and perhaps 700 worldwide. In Europe it reproduces exclusively by asexual reproduction and can produce nearly fifty generations a year under favourable conditions. Sitemap. Agriculture -- North Carolina. The foliage may become chlorotic and die prematurely. Both wingedand wingless females occur throughout the year. Melon Aphis (Aphis gossypii Glover) The, https://www.alamy.com/circular-agriculture-agriculture-entomology-vegetable-plant-lice-9-the-method-of-passing-the-winter-has-not-as-yet-been-determ-ined-but-it-probably-passes-the-cold-season-as-an-egg-the-wingless-lice-are-found-in-late-april-and-continue-generation-after-generation-until-cold-weather-it-usually-reaches-damaging-numbers-in-the-lat-ter-part-of-the-season-it-is-perhaps-the-most-rapid-breeder-among-the-plant-lice-the-writer-has-observed-this-species-in-damaging-numbers-only-on-turnips-large-areas-in-monmouth-county-have-suffered-severely-from-it-melon-aphis-aphis-gossypii-glover-the-image232780357.html, Report on miscellaneous cotton insects in Texas . (See Insectic ide apparatus.) 23 Eulecanium nigrofasciatum, circular remedies persicse, confounded with Eulecanium nigrofasciatum .. prunastri Eunotus lividus, parasite of Pulvinaria innumerabilis Eupelmus allynii, parasite of Isosoma tritici Mayetiola destructor reduvii, parasite of A nasa tristis spp., parasites of Scolytus rugulosus Eupeodes volucris, enemy of Aphis gossypii Euphorocera claripennis, parasite of Ceratomia catalpx Euproctis chrysorrhoza, character, conditions in New England, July, 1904 *. While the cotton plant is yet youngand tender, the damage which plant-lice do by gathering upon the youngshoots and tender leaves and curlingand distorting them may be very con-siderable. Top of page In the Aphis frangulae group to which A. gossypii belongs, the primary (winter) hosts belong to the Rhamnaceae; A. gossypii is an exception as it can also overwinter on a number of plants in other families. (Original.) Your Lightboxes will appear here when you have created some. The Gr family of candidate gustatory and olfactory receptors in the yellow-fever mosquito Aedes aegypti. Family Aphididoe. In hot conditions or when crowded they are smaller, and these dwarf forms are a very pale whitish yellow (see third picture below). Other vegetable crops attacked include pepper, eggplant, okra and asparagus. The oval eggs are yellow when first laid but soon turn glossy black. 5.—Head of melon aphis (Aphis gossypii). FF. INDEX TO CIRCULARS 1 TO 100. (=L. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. The same species of louse also infests melons, in which case it is called "Melon-louse." Injury in North Carolina.—Inju, https://www.alamy.com/the-bulletin-of-the-north-carolina-department-of-agriculture-agriculture-north-carolina-14-the-bulletin-cotton-leaf-louse-principally-aphis-gossypii-glov-order-hemiptera-family-aphididw-descriptiona-small-green-louse-often-found-in-great-numbers-on-the-young-leaves-and-tender-growing-part-of-young-cotton-where-they-suck-the-sap-from-the-plant-more-destructive-in-cool-seasons-and-usually-disappearing-when-settled-hot-weather-comes-in-june-and-july-the-same-species-of-louse-also-infests-melons-in-which-case-it-is-called-quotmelon-lousequot-injury-in-north-carolinainju-image233851477.html. Antennal olfaction, which is extremely important for insect survival, mediates key behaviors such as host preference, mate choice, and oviposition site selection. It is a widely distributed pest of a variety of agricultural crops in the families Cucurbitaceae, Rutaceae and Malvaceae. 4.—Head of hop aphis, showing frontal tuber- cles. Common names include cotton aphid, melon aphid and melon and cotton aphid. Several members of the Aphidiinae and Aphelinidae wasp families are parasitoids of aphids. Common names. Alamy and its logo are trademarks of Alamy Ltd. and are registered in certain countries. Bulletin. ^<»llowor tan colored to deep olive-green or deep green which appearsalmost blackish, the abdomen being always more or less mottled.The rather long, tapering, honey-tubes are jet black, and the legsand antennae pale whitish-yellow. [2] Common names include cotton aphid, melon aphid and melon and cotton aphid. ).i - V Fig. persiaphid, https://www.alamy.com/bulletin-insects-insect-pests-entomology-insects-insect-pests-entomology-104-the-spring-grain-aphis-or-quotgreen-bug-gt-j-internal-or-true-parasites-aphidius-testaceipes-ore-fig-19-synonyms-lysiphlebus-abutilaphidis-ashm-lysiphlebus-bacchar-aphid-is-ashm-lysiphlebus-basilaris-prov-lysiphlebus-citraphis-ashm-lysiphlebus-coquil-letti-ashm-lysiphlebus-cucurbitaphidis-ashm-lysiphlebus-craufordi-rohwer-lysiphlebus-eragrostaphidis-ashm-lysiphlebus-gossypii-ashm-lysiphlebus-myzi-ashm-lysiphlebus-miyiutus-ashm-lysiphlebus-persicaphidis-ashm-=l-persiaphid-image234117177.html, . The young nymphs always * Aphis gossypii Glover. In insects, odor detection is mediated by odorant receptors (ORs) and ionotropic receptors (IRs), which ensure the specificity of the olfactory sensory neuron responses. ; Lysiphlebus persicaphidis Ashm. 88.—Types of cornicles among the aphids. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. (Aphis (Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustratio, https://www.alamy.com/insects-their-ways-and-means-of-living-insects-fig-ioi-some-common-aphids-of-the-garden-a-winged-form-of-the-potato-aphis-illinoia-solanijolii-one-of-the-largest-of-the-garden-aphids-b-winged-form-of-the-peach-aphis-myzus-persicae-which-infests-peach-trees-and-various-garden-plants-c-wingless-form-of-the-peach-aphis-d-wingless-form-of-the-melon-aphis-aphis-gossypii-e-winged-form-of-the-melon-aphis-171-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustratio-image238054955.html, Cotton aphid (Aphis gossypii) alate after exdiasis with unformed wings on a blackberry leaf, https://www.alamy.com/stock-photo-cotton-aphid-aphis-gossypii-alate-after-exdiasis-with-unformed-wings-26360818.html, . [from old catalog]; Insects; Insects. Further information. The winglessform is about one-fifteenth inch long and varies from light yellowor tan colored to deep olive-green or deep green which appearsalmost blackish, the abdomen being always more or less mottled.The rather long, tapering, honey-tubes are jet black, and the legsand antennae pale whitish-yellow. The cotton aphid, Aphis gossypii Glover, is a polyphagous pest that inflicts great damage to cotton yields worldwide. Magnification: x11 when shortest axis printed at 25 millimetres. . Macrodactylus subspinosus, circular remedies Macrosip, https://www.alamy.com/circular-insects-32-index-to-circulars-1-to-100-circular-no-lucilia-csesar-in-houses-habits-lyctus-planicollis-lydella-doryphorse-see-phorocera-doryphorse-lye-sulphur-against-cotton-red-spider-lye-water-against-apple-aphides-lysiphlcbus-citraphis-parasite-of-a-phis-gossypii-cucurbitaphis-parasite-of-aphis-gossypii-gossypii-parasite-of-aphis-gossypii-minutus-parasite-of-a-phis-gossypii-tritici-hosts-introduction-experiments-against-toxoptera-gra-minum-parasite-of-toxoptera-graminum-m-machines-see-insectic-ide-apparatus-macrodactylus-subspinosus-circular-remedies-macrosip-image232782070.html, Cotton aphid Aphis gossypii alate winged adult on cotton leaf, https://www.alamy.com/cotton-aphid-aphis-gossypii-alate-winged-adult-on-cotton-leaf-image6917300.html, . Circular. ; Lysiphlebus bacchar aphid is Ashm. . ; Lysiphlebus citraphis Ashm. Fig. Insects. The wingless lice are found in late April and continue generation after generation until cold weather. 32 INDEX TO CIRCULARS 1 TO 100. You are currently offline. (See Phorocera doryphorx.) ).^ Fig. FF. Family Aphididw. 146 STUDI BIOLOGI KUTU DAUN (APHIS GOSSYPII GLOVER) (HEMIPTERA: APHIDIDAE) Riyanto, Djunaidah Zen, Zainal Arifin Universitas Sriwijaya Email: riyanto1970@yahoo.com Abstract: This paper aims at addi information about the biology of aphids (Aphis gossypii Glover) (Hemiptera: Aphididae).