Metatrichia, Coquillett, 1900

Ale-Rocha, Rosaly & Limeira-De-Oliveira, Francisco, 2021, New species and new record of Neotropical Metatrichia Coquillett (Diptera: Scenopinidae), Zootaxa 5039 (1), pp. 119-128 : 127

publication ID

https://doi.org/10.11646/zootaxa.5039.1.5

publication LSID

lsid:zoobank.org:pub:DE0E05DD-C4DF-4AA6-AB8F-1C07D24231CF

persistent identifier

https://treatment.plazi.org/id/0387FF1C-FFC7-FF90-53E2-FB49E6C6CEAC

treatment provided by

Plazi

scientific name

Metatrichia
status

 

Key to extant species of Metatrichia from the New World

1 Abdomen without scale-like setae ( Fig. 9 View FIGURES 5–9 ).................................................................. 2

- Abdomen with scale-like setae ( Figs 4 View FIGURES 1–4 , 10 View FIGURES 10–12 )................................................................. 3

2 Legs dark brown to black with foretarsus brownish, and mid and hind tarsus yellow with apical tarsomeres brown; abdomen black ( Fig. 5 View FIGURES 5–9 ).................................................................... M. brunneipennis sp. nov.

- Legs pale brown to yellow; abdomen generally bronzed with posterior margins of tergites 1–7 pale yellow ( Figs 5, 6 View FIGURES 5–9 - Winterton & Woodley, 2009)...................................................... M. venezuelensis Winterton & Woodley

3 Abdomen dark brown to black with lateral margins yellow to reddish yellow in males (female unknown); legs wholly brown to black............................................................................................... 4

- Abdomen wholly black in males, sometimes apex lighter in females; legs with yellow parts ( Fig. 10 View FIGURES 10–12 )................................................................................................... M. bulbosa (Osten Saken)

4 Abdomen black with lateral margins of tergites 3–6 and entire tergite 7 reddish yellow, with scale-like setae laterally; wings with brownish yellow infuscation. Larger species (7.0mm)...................................... M. robusta Krober

- Abdomen dark brown with distal margin and lateral of tergites 3–7 yellow, yellow portion of tergites increasing in width towards apex of abdomen and T7 with distal half yellow, with scale-like setae on lateral margin of T2 and T3 and over the entire T4–T7 ( Figs 1, 4 View FIGURES 1–4 ); wing with cream-white infuscation ( Fig. 1 View FIGURES 1–4 ). Small species (5.25mm).............. M. barbata sp. nov.