Key to species of Eumerus from Pakistan

1. Eyes densely covered with short hairs;antennae orange.......................2

— Eyes bare or sparsely covered with microscopic hairs on lower half; antennae dark brown.........................................................................3

2. Body length 5.0- 6.5 mm;male hind distitarsus white and dorsoventrally flattened (Garcete-Barrett et al., 2020, figs. 2G), whereas distitarsus pale yellow with only the basitarsus flattened in females.................... .................................................... Eumerus aurifrons (Wiedemann)

— Body length 5.0-8.0 mm; males unknown; hind distitarsus pale yellow and normal,not swollen.................... Eumerus nepalensis Brunetti

3. Antennae elongated,pedicel ⅔ the length of the postpedicel (Brunetti, 1923,plate VI,fig.6).................... Eumerus pulverulentus Brunetti

— Antennae short,pedicel ⅓ the length of the postpedicel......................4

4. Scutellum with posterior margin pale yellow (Fig. 4A); male with hind basitarsus swollen on apical ¾ (Fig.6F)........ Eumerus vestitus Bezzi

— Scutellum wholly black;males hind tarsus normal,without modification as above.............................................................................................5

5. Body length 8.0 mm; males unknown; thorax dull black, covered with short yellowish-brown hairs, scutum without median longitudinal vittae ................................................ Eumerus sexvittatus Brunetti

— Body length 5.5-7.0 mm; thorax shiny black, covered with short white hairs, scutum with two longitudinal narrow vittae of white microtrichia (Fig.1A)..................... Eumerus sogdianus Stackelberg