Table 3 in Tetramesa amica and its parasitoid Eurytoma amicophaga (Hymenoptera, Eurytomidae): two new species associated with medusahead, Taeniatherum caput-medusae (Poaceae)

Table 3. Features distinguishing Tetramesa amica Lotfalizadeh, sp. nov. from Tetramesa cylindrica (Schlechtendal, 1891).
CharactersTetramesa amica Lotfalizadeh, sp. nov.Tetramesa cylindrica (Schelechtendal, 1891)†Width of the head (frontal view)1.2 × wider than long (Fig. 1B)0.8 × wider than longLength of funiculars of the femaleF1-2 longer than wide, F3-5 quadrate (Fig. 1C)Only F1 longer than wide, F2-5 quadrateMale antennaFuniculars non-depressed medially (Fig. 1D)F2-4 depressed mediallyGastral sculptureMainly smooth (Fig. 2C)Finely alutaceous dorsallyLength of metasoma1.1 × as long as mesosoma + head (Fig. 1A)As long as mesosoma + headPostmarginal vein1.4 × the length of marginal vein (Fig. 2F)As long as marginal veinStigma veinAs long as postmarginal vein (Fig. 2F)0.7 × the length of postmarginal veinHost plantTaeniatherum caput-medusaeStipa capillata
† See figures in Zerova (1965, 1967).