ATHALIA ROSAE PDF

Systematic position. Class Insecta, order Hymenoptera, suborder Symphyta, family Tenthredinidae, subfamily Tenthredininae, tribe Selandrini, Athalia. Eggs Length: around mm; diameter: mm (Sawa et al., ). White to milk-white, ellipsoidal. Larvae Length: mm (mature larvae). Face and. No genome information of primitive hymenoptera (Symphyta, sawfly) is available vs higher suborder (Apocrita, Apis, Nasonia etc.). This species is a.

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Pupation takes place in April, lasting days. The efficiency of this proposed defence was tested against a vertebrate predator, using groups of the iguanid lizard Anolis carolinensis Voigt as a model predator.

Irkutsk plant protection station.

Turnip sawfly – Wikipedia

Scutellum and middle lobes of notum, meso- and metathorax are yellow underneath. Face and anterior of head with setae; thorax with protuberances developed weakly, one pair on first and second annulets of prothorax, two pairs on second annulet of meso- and metathorax, three pairs on fourth annulet of meso- and metathorax; abdomen without stout hairs, with two pairs of protuberances on second and third annulets of first segment and two pairs athalja second and fourth annulets of second to ninth segments Abe, Wings are yellow at base and blackish at front border and outer half.

Imported crucifers, grown commercially, have been reported to suffer serious damage over several years for example, Brassica chinensis var. Caterpillars of Pieris rapae Linnaeus and Pieris brassicae Linnaeus served as control prey species that do not sequester glucosinolates. Larva lives days. In small-plot tests in Western Siberia, Russia, Indian mustard proved to be the most effective, overall, athalix a number of crucifers investigated for use as trap crops to protect rape against A.

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Turnip sawfly

State agricultural publishing house. Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical control recommendations.

If you would like to, you can learn more about the cookies we use. Coloration as female except head basal two-thirds of mandibles white, apical one-third of mandibles red-brown; abdomen apical region of first tergum black Benson, ; Abe, Removal of various glucosinolates has been shown to reduce sensitivity to host plants in later adult stages.

Outbreaks and infestations are sporadic and appear dependent on the highly polyphagous nature of Rosaf. Cookies on Plantwise Knowledge Bank Like most websites we use cookies. The most important predators are Perilampus italicus Fabr.

Note, however, that Lorenz and Kraus consider the abdomen to be devoid of such protuberances.

cabbage leaf sawfly (Athalia rosae)

For further information, we recommend you visit the following resources: Athalia rosae Linnaeus Some experimental data to ecology of turnip sawfly. Its effectiveness was borne out in a test over ha in which it was sown 7 days before rape in a m band around the crop Vlasenko and Sushkova, EU pesticides database www. It was considered to ahalia a serious pest of turnips in England in sequences of hot summers, but less so in sequences of colder summers Wthalia, Larvae of the first generation are especially dangerous.

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Lizards attacked them at a higher rate than larvae and they were never rejected. From Wikipedia, the free encyclopedia.

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In other projects Wikimedia Commons. Abdominal side is lighter, dorsal side has dark stripes. Dark or green-gray larva mm has black head and 11 pairs of cylindrical legs. The insect is oligophagous. Rsoae Control Methods to destroy over-wintering pre-pupae include crop rotation, destruction of crucifers and deep ploughing Hill, Turnip sawfly and control treatments.

Close Find out more. The pest also damages flowers, ovaries, small pods which fall.

Retrieved from ” https: The turnip sawfly, Athalia rosae Linnaeus, is a pest on cruciferous crops. Pests Athalia rosae L. The adult feeds on nectar. The sawfly fecundity varies from to eggs. When attacked, their integument is easily disrupted and a droplet of haemolymph is exuded ‘easy bleeding’. High harmful activity appears in steppe and forest-steppe zones of Ukraine and European Russia, in Transcaucasia, Moldova. Movement and colour may be important additional factors triggering the behaviour of vertebrate predators.

Insects of Latvian SSR. The head has a black segmented clavate apically antenna. Large-scale planting of fields with cash-crops such as rape and mustard seed are as equally liable to be infested Rusinov, as greenhouse and small-scale domestic crops of crucifers Nagasaka, These leaves become dry; the plant dies or weakens, not giving yield.

The pest also feeds on wild cruciferous and umbelliferous species, such as Thlaspi arvense L. Adult sawflies do not easy bleed but have glucosinolates carried over from the larval stage. This is to ensure that we give you the best experience possible.