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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EU pesticides database www. 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, Wings are yellow at base and blackish at front border and outer half.
There are two black rhomboid spots on upper side of thorax. State agricultural publishing house. Abdominal side is lighter, dorsal side has dark stripes. High harmful activity appears in steppe and forest-steppe zones of Ukraine and European Russia, in Athalix, Moldova. Turnip sawfly control on mustard sawing.
Outbreaks and infestations are sporadic and appear dependent on the highly polyphagous nature of A. Articles with ‘species’ microformats.
Embryonal period varies from 5 to 12 days. The turnip sawfly and control measures. This effort will add to the planned i5Kthe effort to sequence 5, insect genomes in 5 years. Pests of agricultural crops athlia forest plantations.
cabbage leaf sawfly (Athalia rosae)
The most important predators are Perilampus italicus Fabr. Go to distribution map In small-plot tests in Western Siberia, Russia, Indian mustard proved to be the most effective, overall, of a number of crucifers investigated for use as trap crops to protect rape against A.
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Female cuts leaf by ovipositor and lays eggs inside. Note, however, that Lorenz and Kraus consider the abdomen to be devoid of such protuberances.
It has molts, 6 instars. Turnip sawfly and control treatments. At low damage the leaves resemble a net; at strong damage the sawfly roughly feeds leaf mass, leaving only big ribs and petioles. Forecasting and calculation of pests and diseases on agricultural cultures. 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, 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, Turnip sawfly Scientific classification Kingdom: Control measures include eradication of weeds, under-winter plowing, destroying plants remains, trapping crops with following chemical treatments, insecticide treatments against larvae.
Turnip sawfly – Wikipedia
The pest also feeds on wild cruciferous and umbelliferous species, such as Thlaspi arvense L. Oligophagous pest of cruciferous and umbelliferous cultures.
Adult sawflies do not easy bleed but have glucosinolates carried over from the larval stage. The proceedings of Georgian Plant Protection Institute, vol. 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.
Yellow pupa mm is inserted into brown cylindrical cocoon.
This has been shown to be an effective, chemical-based, defence against invertebrate predators. Archived from the original on 24 September Imported crucifers, grown commercially, have been reported to suffer serious damage over several years for example, Brassica chinensis var. The species gives generations during a year; i.