Fig. 3. Achalcus bimaculatus Pollet	Fig. 4. Achalcus cinereus (Haliday)
Fig. 5. Achalcus flavicollis (Meigen)	Fig. 6. Achalcus melanotrichus Mik
Fig. 7. Achalcus nigropunctatus Pollet & Brunhes	Fig. 8. Achalcus thalhammeri Lichtwardt
Fig. 9. Achalcus vaillanti Brunhes	Fig. 10. Acropsilus niger (Loew)

Figs. 3-9. Achalcus spp. Hypopygium, left lateral view (from Pollet, 1996).

Fig. 10. Acropsilus niger (Loew). Hypopygium, left lateral view (after Parent, 1938).