Dacus (Callantra) solomonensis Malloch, 1939

Leblanc, Luc, 2022, The dacine fruit flies (Diptera: Tephritidae: Dacini) of Oceania, Insecta Mundi 2022 (948), pp. 1-167 : 150-151

Dacus (Callantra) solomonensis Malloch, 1939

Figure 92

Distribution. Papua New Guinea (Bougainville). Solomon Islands (Choiseul, Kolombangara, New Georgia, Isabel, Russell, Florida, Guadalcanal, Malaita, San Cristobal).

Male lure. Cue-lure.

Host plants. Category B pest of cucurbits ( Vargas et al. 2015). Records in Solomon Islands: CUCURBITACEAE : Cucumis sativus , Cucurbita pepo , Luffa acutangula, L. cylindrica , Trichosanthes cucumerina .

Biology. At 25°C, eggs hatch after 46 hours, median larval development time is 12 days, and pupal stage duration is nine days. Adults start mating 16 days after emergence ( Tsatsia and Hollingsworth 1997). Monthly trapping data illustrated on Figure 136 .

Edible hosts common names. Angled luffa, cucumber, luffa, snakegourd, squash.

Figures

Figure 92. Dacus (Callantra) solomonensis (Malloch). A) Head. B) Head and scutum. C) Abdomen, female. D) Abdomen, male. E) Wing. F) Lateral view, female. G) Lateral view, male.

Figure 136. Mean (±SE) daily captures of Dacus solomonensis (Malloch) in cue-lure traps maintained in the Solomon Islands (Guadalcanal Island) between April 1999 and August 2001, based on 10 trapping sites (n = 233, mean FTD = 1.56).