Sarcophaga, Meigen, 1826

Geisler, Lucas & Pape, Thomas, 2023, Two new species of the ‘ Big Yellows’ (Diptera: Sarcophagidae: Sarcophaga), Zootaxa 5311 (2), pp. 190-202 : 197-198

publication ID

https://doi.org/ 10.11646/zootaxa.5311.2.2

publication LSID

lsid:zoobank.org:pub:8F390265-FE0A-4467-BB73-2DF5B4D003EB

DOI

https://doi.org/10.5281/zenodo.8102502

persistent identifier

https://treatment.plazi.org/id/03AE3F01-E631-8832-849E-FB49FE95F988

treatment provided by

Plazi

scientific name

Sarcophaga
status

 

Key to male Sarcophaga spp. of the ‘Big Yellows’ group

1. Thorax strikingly golden yellow with strongly contrasting black stripes dorsally; abdomen either extensively golden yellowish or entirely black, and without the usual chequerboard pattern of grey, black and silvery................ ‘Big Yellows’ … 2

- Thorax not striking golden yellow; abdomen neither extensively golden yellowish nor entirely black................................................................................................. Other species of Sarcophaga View in CoL

2. Thorax dorsally with two strong black stripes and with a faint or narrow dark median stripe; proanepisternum bare.......................................................................... S. (Chrysosarcophaga) superba (Townsend) View in CoL

- Thorax dorsally with three strong, black stripes; proanepisternum setose.................... S. ( Sarcorohdendorfia View in CoL ).... 3

3. Wing membrane orange or yellow proximal to crossveins. Hind femur curved.Abdomen ventrally with yellowish setae. Sternite 4 posterior margin medially with unmodified setae. Lateral stylus large and broad.................................. 4

- Wing membrane blackish, brownish or hyaline proximal to crossveins. Hind femur straight. Abdomen ventrally with black setae. Sternite 4 posterior margin medially with a patch of short, densely set setae. Lateral stylus slender, tube-shaped..... 5

4. Sternite 5 V-shaped. Lateral stylus funnel-like expanded distally, with a tapering ventral process, and apically with dense microvilli.............................................................. S. (Sarcorohdendorfia) vanuatu Pape View in CoL

- Sternite 5 U-shaped. Lateral stylus broadly sickle-shaped in lateral view, without a ventral process or microvilli................................................................................... S. (Sarcorohdendorfia) hugoi Pape View in CoL

5. Hypandrium with posterior margin folding downwards as a pair of rugose or striated lobes ( Fig. 7 View FIGURES 6–9 ); lateral stylus with distal fourth partly membranous.............................................................................. 6

- Hypandrium with posterior margin unmodified, not folding downwards; lateral stylus sclerotized to the tip.............. 8

6. Cercus with dorsal surface bare. Pregonite simple, not split. Apical hook of vesica without or with a short subapical constriction or ‘neck’. Lateral stylus less than twice as long as juxta....................... S. (Sarcorohdendorfia) whitneyi (Curran) View in CoL

- Cercus dorsally with robust setae at least in the middle. Pregonite deeply split. Apical hook of vesica on a long, slender ‘neck’. Lateral stylus at least twice as long as juxta................................................................. 7

7. Pregonite with larger tip pointed. Vesica slender, without a subapical tooth ( Fig. 18 View FIGURES 15–27 ). Lateral stylus slender, more than twice as long as juxta and with distinct serration along concave surface ( Figs 8, 9 View FIGURES 6–9 ).................................................................................................... S. (Sarcorohdendorfia) isorokui (Shinonaga & Kano) View in CoL

- Pregonite with larger tip blunt. Vesica broad, with a subapical tooth ( Fig. 21 View FIGURES 15–27 ). Lateral stylus more robust, about twice as long as juxta, and without serration along concave surface....................... S. (Sarcorohdendorfia) narabondxii sp. nov.

8. Abdomen entirely black................................................................................ 9

- Abdomen mostly yellow............................................................................... 11

9. Occiput with only golden setae. Gena with only golden setae. Distal third of cercus perfectly straight, bare ( Fig. 19 View FIGURES 15–27 ). Pregonite deeply cleft. Vesica broad and almost trapezoidal in lateral view, with the apical hook abruptly set off from remaining vesica ( Fig. 19 View FIGURES 15–27 ).......................................................... S. (Sarcorohdendorfia) magnifica (Baranov) View in CoL

- Occiput with black setae in dorsal part. Gena with some or all setae black. Distal third of cercus gently curved or undulant. Pregonite with a shallow cleft. Vesica not particularly broad, and the apical hook either undeveloped or gradually set off from remaining vesica..................................................................................... 10

10. Wing blackish proximal to crossveins. Cercus undulant; without particularly strong, spike-like setae proximal to tip. Vesica bulky at base and with small, recurved tip................................... S. (Sarcorohdendorfia) piciventris Pape View in CoL

- Wing light brownish or dark orange proximal to crossveins. Cercus almost straight; with a patch of strong, spike-like setae proximal to tip. Vesica with slender base and pickaxe-like distal part.................................................................................................... S. (Sarcorohdendorfia) nigridorsalis (Shinonaga & Kano) View in CoL

11. Antenna orange. Palpus orange......................................... S. (Sarcorohdendorfia) aureifacies (Lopes) View in CoL

- Antenna dark brown or greyish black. Palpus greyish black................................................... 12

12. Juxta tapering into a slender tip.............................. S. (Sarcorohdendorfia) malaitensis (Shinonaga & Kano) View in CoL

- Juxta abruptly terminated.............................................................................. 13

13. Juxta with distal margin simple. Lateral stylus at most a little longer than juxta.... S. (Sarcorohdendorfia) separata (Lopes) View in CoL

- Juxta with distal margin forming a fold. Lateral stylus about twice as long as juxta................................. 14

14. All genal setae black, postgenal setae yellowish. Sternite 4 at posterior margin with broad patch of tightly set, robust setae extending across the entire margin and almost level with the surrounding surface. Cercus gently curved. Pregonite with largely straight anterior and posterior margins, resembling a long triangle. Vesica gradually expanding apically and reaching level of tip of juxta............................................................ S. (Sarcorohdendorfia) confusio sp. nov.

- Genal setae black in upper half, yellowish on lower half, postgenal setae yellowish. Sternite 4 at posterior margin with very tightly set, robust setae arranged in a patch occupying about half of the margin and raised slightly but distinctly above the adjacent surface. Cercus curved in an almost perfect half-circle. Pregonite with gently curved anterior and posterior margins. Vesica with middle part parallel-sided and ending well before tip of juxta............. S. (Sarcorohdendorfia) stylata Pape View in CoL

Distribution of Sarcophaga species in the ‘Big Yellows’ group:

[Based on Lopes (1967), Lopes & Kano (1978, 1981) and the present paper. For nomenclature, see Pape (1996).]

S. (Chrysosarcophaga) superba (Townsend, 1933) [ Solomon Islands: Bougainville, Guadalcanal, Malaita]

S. (Sarcorohdendorfia) aureifacies ( Lopes, 1967) [ Bismarck Islands : New Ireland]

S. (Sarcorohdendorfia) confusio sp. nov. [Bismarck Islands: New Britain]

S. (Sarcorohdendorfia) hugoi Pape, 1996 [ Vanuatu]

S. (Sarcorohdendorfia) isorokui ( Shinonaga & Kano, 1993) [ Solomon Islands: Bougainville]

S. (Sarcorohdendorfia) magnifica (Baranov, 1938) [ Solomon Islands: Guadalcanal, Kolombangara, Malaita, New Georgia, Vella Lavella]

S. (Sarcorohdendorfia) malaitensis ( Shinonaga & Kano, 1993) [ Solomon Islands: Malaita]

S. (Sarcorohdendorfia) narabondxii sp. nov. [ Solomon Islands: Nggele Islands]

S. (Sarcorohdendorfia) nigridorsalis ( Shinonaga & Kano, 1993) [ Solomon Islands: Malaita]

S. (Sarcorohdendorfia) piciventris Pape, 1996 [ Bismarck Islands : Manus]

S. (Sarcorohdendorfia) separata ( Lopes, 1967) [ Bismarck Islands : New Ireland]

S. (Sarcorohdendorfia) stylata Pape, 1996 [ Bismarck Islands : New Ireland]

S. (Sarcorohdendorfia) vanuatu Pape, 1996 [ Vanuatu]

S. (Sarcorohdendorfia) whitneyi ( Curran, 1936) [Bismarck Islands: New Britain; Solomon Islands: Bougainville, Guadalcanal]

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Sarcophagidae

Genus

Sarcophaga

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