Nephochaetopteryx maxima Dodge

Carvalho-Filho, Fernando Da Silva, Esposito, Maria Cristina & Mello-Patiu, Cátia Antunes De, 2021, Revision of Nephochaetopteryx Townsend, 1934 (Diptera: Sarcophagidae), Zootaxa 4928 (1), pp. 1-83 : 46-47

Nephochaetopteryx maxima Dodge

( Fig. 20 )

Nephochaetopteryx maxima Dodge, 1968b: 423 (key), 437 (description of female). Type locality: Panama, Canal Zone, Barro Colorado Island. Other references: Lopes (1975b: 514–515; redescription of holotype); Pape (1996: 261; catalog).

Type material examined. HOLOTYPE ♀ ( SEMC): PANAMA-Canal Zone / Barro Colorado Is. / 28.III.63 No. / CW & ME Rettenmeyer [printed on rectangular white label] // Take in / Malaise trap [printed on rectangular white label] // HOLOTYPE / Nephochaetopteryx / maxima / Dodge [printed and handwritten on rectangular white label bordered with red]. [Holotype in good condition, with left mid leg lacking and cleared abdomen glued to specimen; terminalia and abdominal sternites glued to a card triangle pinned beneath the specimen.]

Redescription. Female (holotype). Length = 6,5 mm.

Head. Fronto-orbital and parafacial plates and postocular strip with silvery microtomentum. Frontal vitta reddish-brown. Five frontal setae. Gena and postgena with golden microtomentum. Palpus brown.

Thorax. Chaetotaxy: dorsocentrals 2+4 (first two weak); intra-alars 2+2; supra-alars 2+3, notopleurals 1 subprimary; anepisternals 5; merals 6. Wing hyaline, with dark brown spot beginning in the terminal portion of vein R 1, filling the distal third of cell r 1 and the upper half of the distal half of cell r 2+3.

Abdomen. Tergite 8 divided and narrowed distally ( Figs 20 A–B). Sternite 5 rounded, with a pair of strong marginal setae and covered with many short setae ( Fig. 20A ). Sternites 6 and 7 wider than long, with posterior margin slightly concave and long and thick setae restricted to posterior half ( Fig. 20A ). Sternite 8 narrowed posteriorly, with a median strip bearing two setulae and posterior margin with long setae ( Fig. 20A ). Vaginal plate rectangular ( Fig. 20A ). Hypoproct with a row of hair-like setulae ( Figs 20 A–B). Cercus elongate with pointed apex, covered with short and long setulae ( Fig. 20B ). Epiproct rounded with one long setula ( Fig. 20B ).

Male. Unknown.

Distribution. NEOTROPICAL—Panama ( Panama).

Remarks. Nephochaetopteryx maxima is the only species that has vein R 2+3 fully covered with setae dorsally.

Figures

FIGURE 20. Nephochaetopteryx maxima Dodge, 1968, female. Paratype from Canal Zone, Barro Colorado Island, Panama (SEMC). A. Terminalia and sternites, ventral view. B. Terminalia, lateroventral view. Abbreviations: ce = cercus, ep = epiproct, hp = hypoproct, St = sternite, T = tergite, vp = vaginal plate. Scale bars: 0.1 mm.