Biologi spodoptera exigua pdf

Inheritance, fitness cost, and mechanism of resistance to tebufenozide in spodoptera exigua hubner lepidoptera. Noctuidae to endosulfan, organophosphorus and pyrethroid insecticides in pakistan. To improve these resources we sequenced the transcriptome of s. Noctuidae spodoptera litura merupakan serangga hama yang terdapat di banyak negara seperti indonesia, india, jepang, cina, dan negaranegara lain di asia tenggara sintim et al. It was introduced into oregon from southeast asia in 1876, where it quickly became established. A manual of the insects of the hawaiian islands, including enumeration of the species and notes on the origin, distribution, hosts, parasites, etc. In the 1950s, this pest destroyed young citrus trees and nursery stocks in california, leading to substantial economic losses in approximately 500 acres of citrus areas 2. Developmental control of a lepidopteran pest spodoptera. Resistance of beet armyworm spodoptera exigua lepidoptera. Keys about fact sheets glossary larval morphology references.

Using chitin synthase gene a sechsa as the target gene, which is expressed in the cuticle and tracheae of the lepidopteran pest spodoptera exigua, we showed that the growth and development of s. Transcriptome analysis and screening for potential target. Spodoptera exigua wikibooks, open books for an open world. It is native to asia, but has been introduced worldwide and is now found almost anywhere its many host crops are grown. It is also known as the asparagus fern caterpillar, and the adult moth is known in the uk where it is an immigrant and not known to breed as the small mottled willow. Akibatnya, pinggiran dan ujung daun terlihat bekas gigitan. Spodoptera exigua spodoptera exigua merupakan hama serangga larva penggerek daun bawang merah. Jul, 2009 phenotypes of spodoptera exigua after ingestion of bacterially expressed dsrna high bacteria concentration, 250. While the potential for significant infestations is more likely in the fall, this pest can be a problem in the spring production season as well. New spodoptera exigua cell lines susceptible tospodoptera exigua nuclear polyhedrosis. Noctuidae from four districts of the southern punjab, pakistan to four conventional and six new chemistry insecticides. Moreover, spodoptera exigua penetrates as an uncommon migrant far north and was found for example in germany many times. Ulat yang hidup di dataran tinggi umumnya berwarna coklat. Hindwing translucent white with gray veins and shading at outer margin.

Beet armywormspodoptera exiguadna detection in the diet. But some records are also based on passive transport as with agricultural products. Forewing gray with inconspicuous gray or white markings. Spodoptera exigua atau yang biasa dikenal dengan ulat daun bawang mempunyai mempunyai beberapa variasi warna yaitu hijau, cokelat muda, dan hitam kecoklatan. Dinamika populasi spodoptera exigua hubner lepidoptera. Spodoptera littoralisis a destructive pest of subtropical and tropical agriculture, and has the potential to be a serious pest of glasshouse crops in northern europe. The model is built to help understand, evaluate, and predict the effects of genetic modification, formulation, and. Pdf the incubation period of spodoptera exigua hubner was not influenced by the host plant, whereas larval development time and pupal period were. Note round, white orbicular spot with gray dot in the center. Various species are a problem in many parts of the world. Partly grown larva of the beet armyworm, spodoptera exigua hubner. Timbulnya strain yang tahan terhadap insektisida kimia adalah fenomena yang sering muncul pada serangga yang sering terpapar oleh insektisida kimia. In the 4 th and 5 th instars larvae, prepupae, and pupae, the average survival rates of the insects fed on the high dose dssechsacontaining diet were 88. Nov 22, 2019 beet armyworm, spodoptera exigua hubner, 1808 lepidoptera, noctuidae, and flight dynamics data in the sombor region.

Uji hemaglutinasi assay pada hemolimf spodoptera exigua yang diberi perlakuan botani pestisida abstrac t. New spodoptera exigua cell lines susceptible tospodoptera exigua nuclear polyhedrosis virus. Proses pembentukan pupa terjadi di tanah, pupa rium dibentuk dari pasir dan partikel tanah yang disatukan dengan cairan yang keluar dari mulut yang mengeras ketika kering. Spodoptera exigua, the beet armyworm, is a small pale gray brown noctuid moth fw length 11 16 mm with a fairly nondescript pattern that includes a pale round obicular with a gray to orange central ocellus and translucent white hindwings with a dark veins and dark marginal band at the anterior outer margin. Assessment of resistance risk in spodoptera exigua hubner lepidoptera. Seperti yang dilaporkan oleh marwoto dan bedjo 1996 ketahananresistensi. Text is available under the creative commons attributionsharealike license. Spodoptera exigua laphegoverview eppo global database. Bagian tanaman yang terserang terutama daunnya, baik daun pada tanaman yang masih muda ataupun yang sudah tua. Noctuidae 2 larva there normally are five instars, although additional instars are sometimes reported. Contact individual photographers for permission to use for any purpose. Uji hemaglutinasi assay pada hemolimf spodoptera exigua yang. Setelah menetas dari telur, ulat muda segera melubangi bagian ujung daun lalu masuk ke dalam daun bawang, akibatnya ujung daun nampak berlubang terpotong.

Beet armyworm spodoptera exigua andermatt biocontrol. Apabila hasil pengamatan telah mencapai atau melampui 1 kelompok telur10 rumpun contoh atau 5 % daun terserangrumpun contoh pada musim kemarau atau 3 kelompok telur10 rumpun contoh. Black dashes at the base of the forewing are absent. Arthropod biology feeding and life history of spodoptera. Gejala serangan spodoptera exigua pada tanaman bawang merah ditandai dengan adanya bercak putih transparan pada daun. Other species are generally distributed across the new world or the old world pogue 2002. Fenomena ini akan menurunkan keefektifan pengendalian kimiawi. Spodoptera is a genus of moths of the family noctuidae first described by achille guenee in 1852. Feeding and life history of spodoptera exigua lepidoptera. Beet armyworm moth spodoptera exigua hubner, 1808 family.

It belongs to family noctuidae, order lepidoptera and commonly called as laddi hulu. Beet armyworm generally does not overwinter in georgia but can migrate readily from florida. Jun 18, 20 the beet armyworm, spodoptera exigua, is one of the most serious agricultural pests of vegetable and flower crops in many agricultural areas all over the world. Hama ulat daun bawang spodoptera exigua hubner munawi. Oct 06, 2012 pupa spodoptera exigua hubner pertama tama berwarna coklat muda, kemudian pada saat menjadi imago berubah menjadi coklat kehitam hitaman pupa berada dalam tanah pada kedalaman kurang lebih 10 cm. Arthropod biology feeding and life history of spodoptera exigua lepidoptera. Hama ini menyerang daun dengan menggerek ujung pinggiran daun, terutama daun yang masih muda. Biological control of beet armyworm, spodoptera exigua.

Bawang merah, dinarnika populasi, ledakan populasi, ulat grayak bawang, spodoptera exigua. Monitoring of resistance in spodoptera exigua lepidoptera. Sejak telur menetas menjadi ulat, berkepompong, lalu menjadi serangga dewasa membutuhkan waktu kurang lebih 23 hari. Spodoptera praefica has a rectangular, somewhat obscure, black spot on the mesothorax. Noctuidae on different host plants article pdf available in annals of the entomological society of america 94jul 2001. Spodoptera exigua is native to the tropics and subtropics of almost the entire world. Pemanfaatan agens hayati, dengan menggunakan virus senpv spodoptera exiguanuclear polyhedrosis virus dan parasit apenteles sp.

The beet armyworm, spodoptera exigua, is a species of migrating moth that causes quite extensive crop damage across the southern united states. It is also known as the asparagus fern caterpillar. Spodoptera exigua arthropod pesticide resistance database. Beet armyworms occur in warmer regions of the mediterranean countries, north america and africa and invade the cooler northern regions as temperatures permit. Pnw moths spodoptera exigua pacific northwest moths. The designation of true armyworm is reserved for pseudoletia unipunctata. The beet armyworm spodoptera exigua is one of the most wellknown agricultural pest insects. The roughly 30 species are distributed across six continents. New spodoptera exigua cell lines susceptible to spodoptera. Siklus hidup spodoptera exigua pada pakan buatan daun bawang. Links to species fact sheets spodoptera exigua spodoptera frugiperda spodoptera littoralis spodoptera litura larval diagnosis detailed. Siklus hidup spodoptera exigua pada pakan buatan daun. Spodoptera exigua, commonly known as rosquilla verde in spain or gusano soldado in latin america, and beet armyworm in the usa and other english speaking countries.

Di antara delapan spesies dari genus spodoptera yang diketahui, ulat grayak spodoptera exigua. Males and females are similar, and neither shows much color variation. Armyworm includes several species including the beet armyworm spodoptera exigua, fall armyworm s. Spodoptera exigua hubner merupakan hama larva penggerek daun yang menyerang berbagai jenis tanaman budidaya di wilayah asia, eropa, afrika, australia dan amerika agata dkk. Spodoptera exigua yang digunakan dalam penelitian ini diperoleh dari kabupaten brebes, kemudian dibiakkan di laboratorium biologi fmipa universitas negeri semarang 3. Siklus hidup spodoptera exigua pada pakan buatan daun bawang merah dan daun bawang prey di bawah binthingan hendarko sugondo dan moehammad hadi.

Beet armyworm beet armyworm spodoptera exigua is one of the most destructive polyphagous pest species of worldwide economic importance. An spodoptera in nahilalakip ha familia nga noctuidae. Beet armyworm occasionally bears a spot laterally, but if present it occurs on the mesothorax, not on the first abdominal segment. The larval stage of the armyworm spodoptera exigua, has a high and polyphagous feeding activity so that these insects have the potential to be pests in agriculture. Spodoptera exigua spodoptera exigua belongs in the subgroup of spodoptera moths that lack contrasting transverse black, brown, white lines on the forewings. Duration of the instars under warm summer conditions is reported to be 2. Cosmopolitan and polyphagous pest attacking rice, tobacco, tomato, maize, citrus, castor, groundnut, legumes and many other vegetables. Photograph by john capinera, university of florida. Unfortunately, genetic resources for the beet armyworm is extremely scarce. Uji hemaglutinasi assay pada hemolimf spodoptera exigua. The beet armyworm or small mottled willow moth spodoptera exigua is one of the bestknown agricultural pest insects. Spodoptera exigua laphegdocuments eppo global database.