Ptecticus Loew, 1855,

Lessard, Bryan D., Yeates, David K. & Woodley, Norman E., 2020, Review of Australian Sarginae Soldier Fly Genera (Diptera: Stratiomyidae), with First Records of Cephalochrysa, Formosargus and Microchrysa, Records of the Australian Museum 72 (2), pp. 23-43: 33-36

publication ID

http://doi.org/ 10.3853/j.2201-4349.72.2020.1683

publication LSID

lsid:zoobank.org:pub:184539DF-E8DD-4A48-8E38-70B7860D6134

persistent identifier

http://treatment.plazi.org/id/0386879A-FFCF-EE56-F9CE-FB86FB0AF93B

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Felipe

scientific name

Ptecticus Loew, 1855
status

 

Genus Ptecticus Loew, 1855 

Figs 7–10View Figure 7View Figure 8View Figure 9View Figure 10

Ptecticus Loew, 1855, p. 142  . Type species Sargus testaceus Fabricius, 1805  , “Sierra Leon” [UZMC], by original designation. See Woodley (2001: 208) for full synonymy. Daniels (1979: 565, revision of Australian species).

Diagnosis. Medium to large (length 8–16 mm), slender, yellow to orange brown flies, similar to Sargus  , but distinguished by the: antennal scape strongly, more or less triangularly produced into flagellar complex on inner side (e.g., Fig. 10dView Figure 10); wings with R 2+3 arising proximal to r-m; lower calypter without strap-like lobe; and usually not strongly metallic in colouration (only one species, Ptecticus longipes (Walker, 1861)  , new record, is semi-metallic: Figs 7View Figure 7, 8View Figure 8). Regarding the Australian fauna, the genus is most similar to Formosargus  , but can be distinguished by the: upper frons converging ventrally in females; face evenly rounded in profile view; wings with M 1 and M 3 well developed, M 4 separated from discal cell at least slightly; and alula large and apically expanded.

Distribution. Northern Queensland ( Fig. 2View Figure 2).

Remarks. Rozkošný & de Jong (2003) synonymized the species proposed by Daniels (1979): Ptecticus albitarsus Daniels, 1979: 574  (= quadrifasciatus Walker, 1860  ), Ptecticus amplior Daniels, 1979: 581  (= complens Walker, 1858  ) and P. queenslandicus  (= rogans Walker, 1858  ; Daniels, 1979: 580).

Here we present the first Australian records for P. longipes  (previously recorded from Indonesia, New Guinea, Solomon Islands) from a series of specimens collected from King Park, Kutini-Payamu (Iron Range) NP, Qld (males and females AMS K.453305–K.453309). This is the only Australian species exhibiting semi-metallic colouration, having a deep milky blue thorax and abdomen. It is likely to be confused with Sargus  , but can be readily distinguished based on the generic characters.

Little is known regarding the biology of the Australian species, however, Woodley (2001) noted that some species were associated with fallen fruits in the forests of Panama, and decaying piles of grass and compost heaps in the United States of America.

Catalogue of Australian species

Genus Ptecticus Loew, 1855 

complens ( Walker, 1858)  . Australasian: Australia (Qld), Indonesia (Irian Jaya, Maluku), Papua New Guinea ( Papua New Guinea). Oriental: Indonesia (Sulawesi), Philippines.

Sargus complens Walker, 1858: 81  . HT ♂ (stated ♀) [BMNH]: Indonesia: Maluku, Kepulauan Aru .

Sargus repensans Walker, 1859: 96  . HT ♂ [BMNH]: Indonesia: Sulawesi, Ujung Pandang. Syn. by Mason & Rozkošný (2005 b: 440).

Sargus tarsalis Walker, 1861b: 274  . HT ♀ [BMNH, destroyed]: Indonesia: Maluku, Pulau Bacan. Syn. by Rozkošný & de Jong (2003: 243).

Sargus rufescens Wulp, 1869: 104  . LT ♀ [NHNL(RNH), des Rozkošný & de Jong 2003: 245]: Indonesia: Maluku, Halmahera.

Sargus rubescens  .— Bigot, 1891: 280. Incorrect subsequent spelling.

Ptecticus repensans ssp. anneliesae Lindner, 1935: 48  . HT ♀ [location of type unknown]. Indonesia: Sulawesi, Ile-Ile, 500– 800 m. See Mason & Rozkošný (2005 b: 442).

Ptecticus repensans ssp. monticola Lindner, 1935: 48  . ST ♂ [location of type unknown]. Indonesia: Sulawesi, Bantimoeroeng. See Mason & Rozkošný (2005 b: 442).

Ptecticus amplior Daniels, 1979: 581  . HT ♂ [AMS]: Australia: Queensland, Middle Claudie River. Syn. by Rozkošný & de Jong (2003: 243).

longipes ( Walker, 1861a)  new distribution. Australasian: Australia (Qld), Indonesia (Irian Jaya, Maluku), Papua New Guinea ( Papua New Guinea).

Sargus longipes Walker, 1861a: 232  . HT ♀ (stated ♂) [BMNH: Figs 7View Figure 7, 8View Figure 8]: Indonesia: Irian Jaya, Dorey. Moved from Sargus  to Ptecticus  by Woodley (2001: 213). New record for Australia.

Sargus tibialis Walker, 1861b: 273  . HT ♂ [BMNH]: Indonesia: Maluku, Pulau Bacan .

quadrifasciatus ( Walker, 1860)  . Australasian: Australia (Qld), Indonesia (Irian Jaya, Maluku), Papua 

New Guinea ( Bismarck Archipelago, Papua New Guinea). Oriental: Indonesia (Sulawesi).

Sargus quadrifasciatus Walker, 1860: 145  : 145. HT ♂ [BMNH, destroyed]: Indonesia: Maluku, Pulau Ambon.

Ptecticus albitarsis de Meijere, 1913: 319  . HT ♂ [NHNL(ZMAN)]: Indonesia: Irian Jaya, Alkmaar. Ptecticus albitarsus  .— Daniels, 1979: 574. Incorrect subsequent spelling.

rogans ( Walker, 1858)  . Australasian: Australia (Qld), Indonesia (Irian Jaya, Maluku), Papua New Guinea ( Papua New Guinea). Oriental: India, Philippines. Sargus rogans Walker, 1858: 81  . LT ♀ [BMNH, des. Rozkošný & de Jong 2003: 256; Figs 9View Figure 9, 10View Figure 10]: Indonesia: Maluku, Kepulauan Aru. Plecticus doleschalii Bigot, 1879: 231  . HT ♂ [BMNH]: Indonesia: Irian Jaya, Pulau Misool. Ptecticus doleschallii  .— Wulp, 1896: 50. Incorrect subsequent spelling.

Ptecticus doleschalli  .— Wulp, 1898: 411. Incorrect subsequent spelling.

Ptecticus queenslandicus Daniels, 1979: 580  . HT ♂ [AMS]: Australia: Qld, Middle Claudie River. Syn. by Rozkošný & de Jong (2003: 255).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Stratiomyidae

Loc

Ptecticus Loew, 1855

Lessard, Bryan D., Yeates, David K. & Woodley, Norman E. 2020
2020
Loc

Ptecticus amplior

Rozkosny, R. & H. de Jong 2003: 243
Daniels, G. 1979: 581
1979
Loc

Ptecticus queenslandicus

Rozkosny, R. & H. de Jong 2003: 255
Daniels, G. 1979: 580
1979
Loc

Ptecticus repensans ssp. anneliesae

Lindner, E. 1935: 48
1935
Loc

Ptecticus repensans ssp. monticola

Lindner, E. 1935: 48
1935
Loc

Ptecticus albitarsis de Meijere, 1913: 319

Daniels, G. 1979: 574
Meijere, J. C. H. de 1913: 319
1913
Loc

Ptecticus doleschalli

Wulp, F. M. van der 1898: 411
1898
Loc

Sargus rubescens

Bigot, J. M. F. 1891: 280
1891
Loc

Sargus rufescens

Rozkosny, R. & H. de Jong 2003: 245
Wulp, F. M. van der 1869: 104
1869
Loc

Sargus tarsalis

Rozkosny, R. & H. de Jong 2003: 243
Walker, F. 1861: 274
1861
Loc

Sargus longipes

Woodley, N. E. 2001: 213
Walker, F. 1861: 232
1861
Loc

Sargus tibialis

Walker, F. 1861: 273
1861
Loc

Sargus quadrifasciatus

Walker, F. 1860: 145
1860
Loc

Sargus repensans

Walker, F. 1859: 96
1859
Loc

Sargus complens

Walker, F. 1858: 81
1858
Loc

rogans (

Rozkosny, R. & H. de Jong 2003: 256
Wulp, F. M. van der 1896: 50
Bigot, J. M. F. 1879: 231
Walker, F. 1858: 81
1858