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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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Turnip sawfly – Wikipedia

As a consequence of these periods of illumination, females developing from non-diapausing larvae would swarm in autumn at dosae time when the rape crop was no longer suitable for oviposition Saringer, The pest also damages flowers, ovaries, small pods which fall.

The most important predators are Perilampus italicus Fabr. It damages rape, turnip, mustard, cabbage and other cruciferous cultures. At low damage the leaves resemble a net; at strong damage the sawfly roughly feeds leaf mass, leaving only big ribs and petioles.

Rosad results indicated the possibility of using a similar method of control in commercial fields. Pupae Tough, silken cocoon, yellow in colour Hill, Krasnoyarsk plant protection station.

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Cookies on Plantwise Knowledge Bank Like most websites we use cookies. The species gives generations during a year; i. The turnip sawfly was found to result in diploid males and females after sister-brother matings. The larva winters in the ground in a cocoon the rosa is about cm.

Insects of Latvian SSR. By using this site, you agree to the Terms of Use and Privacy Policy.

Imported crucifers, grown commercially, have been reported to suffer serious damage over several years for example, Brassica chinensis var. These leaves become dry; the plant dies or weakens, not giving yield. Female cuts leaf by ovipositor and lays eggs inside.

White to milk-white, ellipsoidal. State agricultural publishing house.

Turnip sawfly

Larvae roughly eat leaves, with only big ribs rosse petiole remaining. If you would like to, you can learn more about the cookies we use. This is to ensure that we give you the best experience possible. The fact that glucosinolates being removed causes reduced sensitivity to future possible host plants has been used to argue that these chemicals are important in specific larval patterning to future host plant options. The pest also feeds on wild cruciferous and umbelliferous species, such as Thlaspi arvense L.

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Cultural Control Methods to destroy over-wintering pre-pupae include crop rotation, destruction of crucifers and deep ploughing Hill, Control measures include eradication of weeds, under-winter plowing, destroying plants remains, trapping crops with following chemical treatments, insecticide treatments against larvae.

The body of larva is wrinkled, covered with small warts. Tenthredinidae Insects described in From Wikipedia, the free encyclopedia. Scutellum and middle lobes of notum, meso- and metathorax are yellow underneath. Athalia rosae Linnaeus Knowledge Bank home Change location. Larvae of the second generation damage in July – August. Larvae sequester secondary plant compounds, namely glucosinolates, in their haemolymph. The turnip sawfly, Athalia rosae Linnaeus, is a pest on cruciferous crops.

The pest eats leaf mass, buds, flowers, young pods. Oligophagous pest of rozae and umbelliferous cultures. Turnip sawfly and control treatments.