Contribution to the knowledge of male and female eremochaetid flies in the late Cretaceous amber of Burma (Diptera, Brachycera, Eremochaetidae)

Difference and similarity between four sets of ovipositors. Line drawings (lateral view), A Rhagoletis pomonella (Walsh, 1867) (ovipositor extended, after Cumming and Wood 2009) B Rhagoletis pomonella (Walsh, 1867) (ovipositor not extended, after Norrbom 2010) C Zhenia xiai Q. Zhang et al., 2016 D Zhenia burmensis sp. nov. Scale bars: 1mm (C, D). ac gl – accessory gland; acul – aculeus; cerc – cercus; cloac op – cloacal opening; ev mem – eversible membrane; ovscp – oviscape; sg – segment; spmth – spermatheca; st – sternite; tg – tergite; v rep – ventral receptacle.