Cerodontha (Dizygomyza) luctuosa (Meigen)

Eiseman, Charles S. & Lonsdale, Owen, 2019, New State and Host Records for Agromyzidae (Diptera) in the United States, with the Description of Ten New Species, Zootaxa 4661 (1), pp. 1-39 : 10

Cerodontha (Dizygomyza) luctuosa (Meigen)

Material examined. OKLAHOMA: Payne Co., Mehan , 36.014339° N, - 96.996744° W, 26.v.2017, em. 15– 18.vi.2017, M.W. Palmer, ex Juncus marginatus , #CSE3933, CNC939902 , 939903 ( 2♀) .

Hosts. Juncaceae : Juncus * marginatus Rostk.

Leaf mine. A long, yellowish, interparenchymal mine, with the frass deposited in a single large lump. Up to three larvae may feed in a common mine ( Spencer & Steyskal 1986; Ellis 2018). M. Palmer ( in litt.) noted that one of the adults exited through a hole 1 cm away from its puparium.

Puparium. Slender, brown; formed within the mine ( Spencer & Steyskal 1986; Ellis 2018).

Distribution. USA: AK, CA, CO, NY, *OK, OR, TX ( Boucher 2005), WA; Canada: NS ( Frick 1959), NT; Mexico ( Boucher 2005); Europe.

Comments. This is the first North American rearing record for Cerodontha (Dizygomyza) luctuosa .