Dacus (Callantra) longicornis ( Wiedemann, 1830 )

Leblanc, Luc, Hossain, M. Aftab, Momen, Mahfuza & Seheli, Kajla, 2021, New country records, annotated checklist and key to the dacine fruit flies (Diptera: Tephritidae: Dacinae: Dacini) of Bangladesh, Insecta Mundi 2021 (880), pp. 1-56 : 30

Dacus (Callantra) longicornis ( Wiedemann, 1830)

(= Callantra smieroides Walker, 1860 , Dacus vespoides Bezzi, 1909 , Mellesis destillatoria Bezzi, 1916 , Mellesis eumenoides Bezzi, 1916 , Mellesis bioculata Bezzi, 1919 , Callantra unifasciatus Hardy, 1982 , Callantra variegata Wang, 1990 ) Figure 23

Distribution. Widespread in tropical Asia, from India east to Vietnam and south to Malaysia, Indonesia and the Philippines ( Drew et al. 1998; Agarwal and Sueyoshi 2005; Drew and Romig 2013). Recorded from Bangladesh by Khan (2009), and Nepal by Adhikari et al. (2018).

Bangladesh records. 778 specimens. BARISHAL DIVISION: Barishal, Bhola District, and Pirojpur Districts. CHATTOGRAM DIVISION: Bandarban Hill, Bramhanbaria, Chandpur, Chattogram, Cox’s Bazar, Cumilla, Feni, Khagrachari Hill, and Rangamati Hill Districts. DHAKA DIVISION: Dhaka, Faridpur, Gazipur, Gopalgonj, Munshiganj, Narayanganj, and Tangail Districts. KHULNA DIVISION: Jhenaidah and Satkhira Districts. MYMENSINGH DIVISION: Mymensingh District. RAJSHAHI DIVISION: Chapai, Pabna, and Sirajganj Districts. RANGPUR DIVISION: Dinajpur, Lalmonirhat, Panchagarh, and Thakurgaon Districts. SYLHET DIVISION: Habiganj, Moulvibazar, and Sylhet Districts.

Male lure. Cue-lure.

Host plants. A moderate pest of cucurbit bred from fruits of Luffa acutangula (L.) Roxb., L. cylindrica (L.) M. Roem., Trichosanthes cucumerina L., and Zehneria wallichii (C.B. Clarke) C. Jeffrey (Cucurbitaceae) ( Allwood et al. 1999).

Notes. In Bangladesh, Hossain et al. (2019) studied the seasonal abundance of D. longicornis in relation to abiotic factors and host plants.

Figures

Figure 23. Dacus (Callantra) longicornis Wiedemann. A) Head. B) Head and scutum. C) Abdomen, male. D) Wing. E) Distribution in Bangladesh. F) Lateral view, female. G) Lateral view, male.