Predation behavior of Podisus nigrispinus on Spodoptera eridania

A soja, Glycine max (L.) Merril, é uma das culturas de maior importância econômica para o Brasil, considerada uma commodity nacional devido à sua alta produtividade e participação nas exportações no mercado internacional. Dentre os insetos-pragas que causam danos para essa cultura, nos últimos anos agrícolas têm merecido destaque as lagartas de Spodoptera eridania (Cramer), as quais podem se alimentar tanto de folhas quanto das vagens das plantas de soja, causando prejuízos econômicos para os sojicultores, principalmente nas áreas do Cerrado localizadas na região Centro-Oeste do país. O objetivo da presente revisão é disponibilizar informações sobre os aspectos bionômicos de S. eridania, a fim de dar subsídios para futuras pesquisas sobre o manejo dessa praga.Bionomic Aspects of Spodoptera eridania (Cramer): A Pest in Expansion on Soybean Crop in the Region of Brazilian CerradoAbstract. Soybean, Glycine max (L.) Merril, represents one of the major economically important crops to Brazil, and is considered a national commodity because of its high yield and participation in international trade exportations. Among the insect pests that cause damage to this crop, Spodoptera eridania (Cramer) larvae highlighted in the last agricultural seasons by feeding on leaves and pods of soybean plants, and hence causing economical losses to soybean growers, especially in the Cerrado areas located in the Midwest region of the country. We aimed with this review to provide information about bionomical aspects of S. eridania in order to give subsides for further researches on the management of this pest.

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Baseline Plant-to-Plant Larval Movement of Spodoptera eridania in Bt and Non-Bt Soybean and Its Possible Impacts on IRM

Journal of Economic Entomology ◽

10.1093/jee/toaa079 ◽

2020 ◽

Vol 113 (4) ◽

pp. 1741-1752

Author(s):

Thiago L M Fanela ◽

Edson L L Baldin ◽

Thomas E Hunt ◽

Rodrigo D Faria

Keyword(s):

Larval Mortality ◽

Pest Species ◽

Spodoptera Eridania ◽

Refuge Strategy ◽

Bt Toxins ◽

Incomplete Resistance ◽

Insect Populations ◽

Transgenic Technologies ◽

Lepidopteran Pest ◽

Larval Movement

Abstract The widespread use of transgenic technologies has led to the emergence of insect populations resistant to Bt toxins. Some lepidopteran pest species also appear to naturally have some level of tolerance to certain proteins, such as some species of Spodoptera to Cry1Ac. One of the main strategies to manage resistance is the use of refuge areas, the success of which is in part dependent on larval movement of the target pest. Thus, in order to assess the viability of a refuge strategy addressing Spodoptera eridania Stoll (Lepidoptera: Noctuidae) in Bt soybean, it was evaluated the larval movement across plants in Bt and non-Bt soybean, as well as the larval development and mortality on Bt and non-Bt soybean cultivars. We concluded that apparent S. eridania incomplete resistance resulting from high larval mortality and low adaptability on Bt plants, high larval dispersal, nondirectional larval movement, and random larval spatial dispersion suggest that structured refuge is more suitable than mixed refuge for managing resistance in S. eridania populations.

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Caracterização dos danos de Spodoptera eridania (Cramer) e Spodoptera cosmioides (Walker) (Lepidoptera: Noctuidae) a estruturas de algodoeiro

Neotropical Entomology ◽

10.1590/s1519-566x2010000400025 ◽

2010 ◽

Vol 39 (4) ◽

pp. 626-631 ◽

Cited By ~ 15

Author(s):

Karen B dos Santos ◽

Ana M Meneguim ◽

Walter J dos Santos ◽

Pedro M O J Neves ◽

Rachel B dos Santos

Keyword(s):

Spodoptera Eridania ◽

Lepidoptera Noctuidae

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Spectral and inhibitory interactions of methylenedioxyphenyl compounds with southern armyworm (Spodoptera eridania) midgut microsomes

Pesticide Biochemistry and Physiology ◽

10.1016/0048-3575(81)90032-8 ◽

1981 ◽

Vol 15 (1) ◽

pp. 32-42 ◽

Cited By ~ 12

Author(s):

Kuo-Mei Chang ◽

C.F. Wilkinson ◽

Krystyna Hetnarski

Keyword(s):

Spodoptera Eridania ◽

Southern Armyworm ◽

Inhibitory Interactions ◽

Methylenedioxyphenyl Compounds

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Impact of integrated pest management on the population of leafminers, fruit borers, and natural enemies in tomato

Ciência Rural ◽

10.1590/s0103-84782005000100033 ◽

2005 ◽

Vol 35 (1) ◽

pp. 204-208 ◽

Cited By ~ 34

Author(s):

Moacyr Mascarenhas Motta Miranda ◽

Marcelo Coutinho Picanço ◽

José Cola Zanuncio ◽

Leandro Bacci ◽

Ézio Marques da Silva

Keyword(s):

Integrated Pest Management ◽

Pest Management ◽

Natural Enemies ◽

Spodoptera Eridania ◽

Efficient System ◽

Action Threshold ◽

Fruit Borer ◽

And Control ◽

The Impact ◽

Lepidoptera Noctuidae

The objective of this work was to evaluate the impact of integrated pest management (IPM) in the productivity of the tomato and in the populations of leafminers, fruit borers, and natural enemies in tomato crops. The treatments were calendar (spraying twice weekly with insecticides and fungicides), IPM (spraying when action thresholds were achieved), and control (no pesticide was applied). IPM was the most efficient system of pest control due to presenting similar productivity and 65.6% less pesticide applications than in the calendar. The attack of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) and Liriomyza spp. (Diptera: Agromyzidae) to the leaves only achieved the action threshold in the final phase of the cultivation. The main fruit borer was Neoleucinoides elegantalis (Guen.) (Lepidoptera: Crambidae), followed by T. absoluta and Spodoptera eridania (Cr.) (Lepidoptera: Noctuidae). The natural enemy populations were severely reduced by excessive pesticide applications. Predators were more abundant than parasitoids. The most abundant predators were Araneidae, Anthicus sp. (Coleoptera: Anthicidae), Cycloneda sanguinea larva (L.) (Coleoptera: Coccinellidae), Staphylinidae adults (Coleoptera), Orius sp. and Xylocoris sp. (Hemiptera: Anthocoridae), Formicidae (Hymenoptera), and Phlaeothripidae (Thysanoptera). The most abundant parasitoids were Hymenoptera of the families Eulophidae, Braconidae (Bracon sp. and Chelonus sp.), Trichogrammatidae [Trichogramma pretiosum (Riley)] and Bethylidae (Goniozus nigrifemur Ashmead), besides Tachinidae (Diptera).

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