Current report of Silba adipata (Diptera: Lonchaeidae) attacking local fig (Ficus variegata) fruits in Bali: Molecular identification, invasion, and preference

Author:

Merta I N M,Supartha I W,Susila I W,Yuliadhi K A

Abstract

Abstract Silba adipata is a new pest attacking white cayenne pepper (Capsicum frutescens L.) whose attack symptoms are similar to those of Bactrocera dorsalis. The S. adipata was also reported to attack local fig (Ficus variegata). This study aimed to ascertain the type of black fruit fly on F. variegata, the invasion time of S. adipata attack on F. variegata fruit, and the potential of F. variegata fruit extract as an attractant for the black fruit fly. The methods used for objectives (1), (2), and (3) were CO1 analysis, a survey method, and a preference test, respectively. The results showed that the species of black fruit fly that attacked local figs (F. variegata) in Bali was S. adipata. S. adipata invades fruit at the age of 10 weeks after the formation (WAF) of the ovary; the highest attack occurs on fruit 13 days after the formation of the ovary. Local fig fruit extract effectively attracts black fruit flies. Local fig extract was effective in attracting S. adipata to chili plants. Concentrations of 20%-100% were significantly effective in attracting adult S. adipata compared to the control. The extract concentration of 60% was highly effective in attracting S. adipata adults.

Publisher

IOP Publishing

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