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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It damages rape, turnip, mustard, cabbage and other cruciferous cultures. Retrieved 24 September The adult feeds on nectar. This page was last edited on 15 Novemberat Oviposition lasts days.
The pest also damages flowers, ovaries, small pods which fall. Turnip sawfly control on mustard sawing. 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 on second and fourth annulets of second to ninth segments Abe, 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.
Wings are yellow at base and blackish at front athlia and outer half. EU pesticides database www. The proceedings of Georgian Plant Protection Institute, vol.
In other projects Wikimedia Commons. The pest eats leaf mass, buds, flowers, young pods. 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, This differs from normal haplodiploid hymenoptera and after a further cross causing triploid males, resulted in evidence that sex determination is controlled by a single locus.
High harmful activity appears in steppe and forest-steppe zones of Ukraine and European Russia, in Transcaucasia, Moldova. Yellow pupa mm is inserted into brown cylindrical cocoon. Scutellum and middle lobes of notum, meso- and metathorax are yellow underneath. Retrieved from ” https: This is to ensure that we give you the best experience possible. The insect is oligophagous. Oligophagous pest of cruciferous and umbelliferous cultures.
The turnip sawfly and control measures. Pupation takes place in April, athalla days.
Big, oval, transparent egg is glasslike. Lizards attacked them at a higher rate than larvae and they were never rejected. Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical control recommendations. Forecasting and calculation of pests and diseases on agricultural cultures.
Turnip sawfly – Wikipedia
When attacked, their integument is easily disrupted and a droplet of haemolymph is exuded ‘easy bleeding’. At low damage the leaves resemble a net; at strong damage the sawfly roughly feeds leaf mass, leaving only big rosaf and petioles. Turnip sawfly and control treatments.
Adult sawflies do not easy bleed but have glucosinolates carried over from the larval stage. Female life span is about three weeks. Afhalia Bank home Change location. 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, It has molts, 6 instars. Pests Athalia rosae L. Archived from the original on 24 September Pests of agricultural crops and forest plantations. Dark or green-gray larva mm has black head and 11 pairs of cylindrical legs.
Larvae sequester secondary plant compounds, namely glucosinolates, in their haemolymph. Some experimental data to ecology of turnip sawfly.
Insects of Latvian SSR. Turnip sawfly Scientific classification Kingdom: Abdomen is thick, pointed in female, rounded in male. The pest also feeds on wild cruciferous and umbelliferous species, such as Thlaspi arvense L. As a consequence of these periods of illumination, females developing from non-diapausing larvae would swarm in autumn at a time when the rape crop was no longer suitable for oviposition Saringer, It was considered to be a serious pest of turnips in England in sequences of hot summers, but less so in sequences of colder summers Benson, The head has a black segmented clavate apically antenna.