Naupoda, Osten Sacken, 1881

McAlpine, D. K., 2007, New Taxa of Signal Flies (Diptera: Platystomatidae) of New Caledonia, Records of the Australian Museum 59 (1), pp. 65-77 : 75

Key to Australasian species of Naupoda

1 Arista (or antennal segment 6) bare, except for pubescence near base; anteroventral quarter of mesopleuron covered with dense white pubescence; length of discal cell less than 0.8 of length of second basal cell, both measured along vein 4; Lord Howe Island ....................................... nudiseta (Bezzi)

—— Arista with many short hairs or pubescence on distal half or more; anteroventral quarter of mesopleuron almost bare, shining black; discal cell c. as long as second basal cell or slightly longer ............................................................... 2

2 Anterior margin of postfrons with yellow transverse rounded ridge extending from eye to eye; facial region with horizontal black stripe extending from cheek to cheek; central region of mesoscutum very broadly tawny-orange; New Caledonia................................................................... burwelli n.sp.

—— Anterior margin of postfrons without transverse ridge; facial region without horizontal dark stripe; mesoscutum black on central part ........................................................................................................................................................ 3

3 Humeral callus without obvious yellow mark; anal cell with substantial bare zone, hyaline except at basal and distal extremities; New Guinea.................................................................................................................................... sp. 1

—— Humeral callus with large pale yellow mark; anal cell entirely microtrichose, either extensively suffused with brown, or with brown spot near or just beyond mid-length ......................................................................................... 4

4 Mesopleuron almost entirely blackish; humeral callus with additional small yellow mark on upper margin; second basal and anal cells partly hyaline on basal halves; New Guinea and eastern Australia.......................................................................................................................... regina Hendel

—— Mesopleuron with horizontal yellow stripe; humeral callus with lower yellow mark only; second basal and anal cells brown on at least basal halves; Solomon Archipelago ................................................................... ventralis Curran