Megaphragma

Viggiani, Gennaro, Albarracin, Erica Luft & Virla, Eduardo, 2009, The species of Megaphragma Timberlake (Hymenoptera: Trichogrammatidae) from Argentina, Zootaxa 2308, pp. 65-68 : 65

Key to females of Megaphragma from the Neotropical region

1 Antenna with 1 funicular segment and 2-segmented club after anellus ..................................................................... 2

- Antenna without funicle, but with 2 or 3-segmented club after anellus ..................................................................... 4

2 Funicular segment 3x as long as wide ......................................................................................... Megaphragma sp. A

- Funicular segment less than 2x as long as wide ......................................................................................................... 3

3 Metasoma with first tergite (T1) reticulate (Viggiani, 1997, fig. 9); T2–T4 with a pair of setae shorter than length of each segment ................................................................................................................... M. mymaripenne Timberlake

- Metasoma with a few transversal striations on T2; T2–T4 with a pair of setae longer than length of each segment (Viggiani, 1997, fig. 6) ........................................................................................................ M. amalphitanum Viggiani

4 Club 3-segmented ........................................................................................................................ M. striatum Viggiani

- Club 2-segmented .......................................................................................................................... M. caribea Delvare