Agromyza oryzae (Munakata, 1910)

on Oryza, Zizania

Agromyza oryzae: mine

mine (from Sasakawa, 1971a)

mine

The first part of the mine is a 6-11 mm long gallery that usually starts in the top of the leaf. Descending towards the leaf base the gallery widens, in the end occupying the full width of the leaf. Secondary feeding lines are present. Frass in gradually larger granules. Generally one mine per leaf. Pupation external, but most of the times the puparium sticks on the leaf on only 2-6 mm from the exit slit.

hostplants

Poaceae, Oryzeae, oligophagous

Oryza sativa; Zizania latifolia.

distribution within Europe

(PESI, 2018).

larva

Mandible with 5 teeth. Rear spriraculum normal, with three not remarkably enlarge papillae, but the anterior spiraculum has been modified into an unstalked cribrate sieve.

Agromyza oryzae: cephalic skeleton
Agromyza oryzae: anterior spiraculum

cephalic skeleton and anterior spiraculum

pupa

Agromyza oryzae: winter and summer type puparia

The species hibernates as puparium. The overwintering puparia (top) have a different appearance than the summer puparia.

references

Darvas, Skuhrav√° & Andersen (2000a), Dempewolf (2004a), Griffiths (1963a), Sasakawa (1961a), Spencer (1973b).

mod 15.iii.2018