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Activity of fruit-piercing moths, Eudocima spp. (Lepidoptera: Noctuidae), in north Queensland crops: some effects of fruit type, locality and season

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Fay, H.A.C. and Halfpapp, K.H. (1999) Activity of fruit-piercing moths, Eudocima spp. (Lepidoptera: Noctuidae), in north Queensland crops: some effects of fruit type, locality and season. Australian Journal of Entomology, 38 (1). pp. 16-22. ISSN 1326-6756

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Article Link: https://doi.org/10.1046/j.1440-6055.1999.00072.x

Abstract

Fruit-piercing moth activity was assessed in lychee or carambola crops on the wet tropical coast and on the dry tropical tablelands of north-eastern Queensland between 1985 and 1993. Monitoring occurred at fruiting, from 30 min after sundown for 1 h by systematically inspecting orchard trees under torchlight. Six species were recorded: Eudocima fullonia (Clerck), Eudocima jordani (Holland), Eudocima materna (L.), Eudocima salaminia (Cramer), Eudocima aurantia (Moore) and Eudocima cocalus (Cramer). Moths were detected between November and August, with activity lowest during the driest months (July–October) when fruit availability also decreased. Most annual variation in moth numbers occurred at the beginning of the wet season (November–December) when lychees cropped. The principal species recorded at all three sites on both fruit types between November and mid-March was E. fullonia. It represented 95.5% of the moths on coastal lychees. During autumn, the major species in carambola crops were E. jordani on the coast and E. materna on the tablelands (where total activity was only about half that in the coastal crop). Over all sampling years, 77.9% of all moths caught on coastal fruit were males, compared to 51.4% on tableland fruit. Of the female moths dissected from all sites, 77.7% contained spermatophores and fully developed eggs. An assessment of moth activity through a single night (19.00–05.00 h) in coastal carambolas showed that 72.9% of all moths arrived before midnight. The results indicate that there are opportunities in tableland areas for fruit production during the dry season without the need for control measures.

Item Type:Article
Subjects:Plant pests and diseases > Individual or types of plants or trees > Stonefruit
Plant pests and diseases > Economic entomology
Live Archive:05 Mar 2024 03:02
Last Modified:05 Mar 2024 03:02

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