Table 1

Comparison of Ampulicomorpha quesnoyensis sp. nov. with other fossil species of Ampulicomorpha (females only).

  A. quesnoyensis sp. nov. A. succinalis A. janzeni A. perialla
Body length (mm) 4.3 4.1–4.8 (5.5 in lost holotype) 2.9 3.3
Eye length 0.4× head length 0.3–0.4× head length 0.3× head length ca. 0.25× head length
Eye position Head’s anterior half Head’s anterior half Head’s midlength Head’s midlength
Scape 5.4× pedicel length 4.85–6× pedicel length 3× pedicel length 7.25× pedicel length
Pronotal furrow Complete Complete Complete Absent
Notauli Incomplete, ca. 0.5× mesoscutal length Incomplete, 0.25–0.3× mesoscutal length Complete Present, apparently complete
Fore wing Reaching 2nd gastral segment; vein 2Cu-a not preserved Surpassing 2nd gastral segment; vein 2Cu-a pigmented Reaching near gastral apex; vein 2Cu-a pigmented Surpassing 2nd gastral segment; vein 2Cu-a ‘nebulous’
Petiole length Subequal to metatrochanter Shorter (0.6×) than metatrochanter Subequal to metatrochanter Shorter to or at most subequal to metatrochanter

Data taken from original descriptions, refined descriptions in Perkovsky et al. (in prep.), or personal examination of A. janzeni − holotype and additional specimens.

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