| 词条 | Syrphus ribesii |
| 释义 |
| image = Syrphus May 2008-1.jpg | image_caption = male | image2 = Syrphus ribesii in Bahrenfeld.jpg | image2_caption = female | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Diptera | familia = Syrphidae | subfamilia = Syrphinae | tribus = Syrphini | genus = Syrphus | species = S. ribesii | binomial = Syrphus ribesii | binomial_authority = (Linnaeus, 1758) | synonyms = *Musca blanda Harris, 1780
}} Syrphus ribesii is a very common Holarctic species of hoverfly. Its larvae feed on aphids. In common with many other species of hoverfly, males have the eyes meeting on the top of the head, whilst females have their eyes widely separated. Adults are very similar in appearance to Syrphus vitripennis and Syrphus torvus. Females may be distinguished by the former having entirely yellow femorae, and from the latter by having no hairs present in their eyes. Males also have bare eyes, unlike S. torvus, but are extremely similar to S. vitripennis, differing only in having some black hairs present on the hind femur and in having the second basal cell of the wing entirely covered by microtrichia.[1] The male genitalia and the larva are figured by Dusek and Laska (1964).[2] DescriptionExternal images. Frons is posterior to the lunulae, shiny black. Sternites have lateral and median black marks. Male femora 3 is black for basal 2/3. Femora 3 is yellow. Lateral margins of tergites are black except at the ends of the yellow bands.[3] The male genitalia and the larva are figured by Dusek and Laska (1964).[4] See references for determination.[5][6][7] DistributionPalearctic: Fennoscandia south to Iberia and the Mediterranean basin, Ireland eastward through Europe into Turkey, European Russia and Afghanistan. Also ranges from Urals to Siberia and Russian Far East to the Pacific coast (Kuril Isles) and Japan. Nearctic: Alaska southward to Central USA. Highly migratory.[8][9][10]Nearctic: United States and Canada.[11]BiologyIt is synanthropic, occurring in farmland, orchards, horticultural land, suburban gardens and parks. Also in deciduous and coniferous forest.[12] It flies March to mid-November. The larva feeds on aphids on various herbaceous plants. Adults feed on nectar and pollen. For a list of flowers visited, see de Buck (1990).[13] Boyes et al (1971) show that over much of Europe, there are two chromosome races of S. ribesii, one with 2n = 8, the other with 2n = 10.[14] References1. ^{{cite book |author1= Ball, Stuart |author2= Morris, Roger. |lastauthoramp=yes |year=2015 |title= Britain's Hoverflies: A Field Guide |pages= 150, xvpp |publisher= Princeton University Press}} 2. ^Dusek, J. & Laska, P. (1964). "A contribution to distinguishing the European species of the subgenus Syrphus Fab. (Diptera, Syrphidae) according to the male genitalia and larvae". Acta Soc. Ent. Cechoslov. 61(1): 58-69. 3. ^Van Veen, M. (2004). Hoverflies of Northwest Europe: identification keys to the Syrphidae. 256pp. KNNV Publishing, Utrecht.addendum. 4. ^Dusek, J. & Laska, P. (1964). A contribution to distinguishing the European species of the subgenusSyrphus Fab. (Diptera, Syrphidae) according to the male genitalia and larvae. ActaSoc. Ent. Cechoslov. 61(1): 58-69. 5. ^Van der Goot, V.S. (1981). De zweefvliegen van Noordwest - Europa en Europees Rusland, in het bijzonder van de Benelux. KNNV, Uitgave no. 32: 275pp. Amsterdam. 6. ^Bei-Bienko, G.Y. & Steyskal, G.C. (1988). Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Part I. Amerind Publishing Co., New Delhi. {{ISBN|81-205-0080-6}}. 7. ^Coe, R.L. (1953). "Diptera: Syrphidae". Handbks. Ident. Br. Insects 10(1): 1-98. R. Ent. Soc. London. pdf. 8. ^Fauna Europaea. 9. ^Peck, L.V. (1988). "Syrphidae". In: Soos, A. & Papp, L. (eds.). Catalogue of Palaearctic Diptera 8: 11-230. Akad. Kiado, Budapest. 10. ^{{cite book |last1= Vockeroth |first1= J.R. |year= 1992 |title= The Flower Flies of the Subfamily Syrphinae of Canada, Alaska, and Greenland (Diptera: Syrphidae). Part 18. The Insects and Arachnids of Canada |pages= 1–456 |publisher= Canadian Government Pub Centre |location= Ottawa, Ontario |isbn= 0-660-13830-1}} 11. ^[https://bugguide.net/node/view/681408/data Bugguide.net. Syrphus ribesii data] 12. ^{{cite journal |last= Speight |first= M.C.D. |year= 2011 |title= Species accounts of European Syrphidae (Diptera) |journal= Syrph the Net, the database of European Syrphidae |volume= 65 |pages= 285pp |url= http://www.diptera.info/downloads/StN_Species_Accounts_Glasgow_2011.pdf }} 13. ^de Buck, N. (1990). "Bloembezoek en bestuivingsecologie van Zweefvliegen (Diptera, Syrphidae) in het bijzonder voor België". Doc. Trav. IRSNB, no. 60, 1-167. 14. ^Boyes, J.W., van Brink, J.M. & Boyes, B.C. (1971). "Chromosomes of Syrphinae (Diptera: Syrphidae)". Misc. Pub. Genet. Soc. Can. 1-158. External links
6 : Hoverflies|Insects described in 1758|Diptera of Asia|Diptera of Europe|Diptera of North America|Taxa named by Carl Linnaeus |
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