FIGURES 18–28 in Revision of the genus Macrostomus Wiedemann (Diptera, Empididae, Empidinae). IV. The amazonensis species-group

FIGURES 18–28. Macrostomus amazonensis, sp. nov. 18–22, paratype ♂. 18, hindleg (femur, tibia and tarsomere 1); 19, tergite 8, dorsal view, setae omitted; 20, terminalia, lateral view (epandrium and cercal lobes gray colored, tergite 8 setae omitted); 21, cercal bridge connecting anterior cerci, anterodorsal view, setae omitted; 22, hypandrium, lateral view; 23–28, paratype ♀. 23, mid tibia; 24, hindleg (apex of femur, tibia and tarsomere 1); 25, tergite 8 and sternite 8, lateral view, setae omitted; 26, tergite 8, dorsal view; 27, sternite 8, ventral view; 28, genital fork, ventral view. Abbreviations: AC, anterior cercus. Scales: 18, 23–24 = 0.5 mm; 19–22, 25–27 = 0.2 mm; 28 = 0.1 mm.