Amazunculus besti Rafael

Marques, Dayse W. A., Skevington, Jeffrey H. & Rafael, José A., 2019, Revision of the genus Amazunculus Rafael (Diptera: Pipunculidae), with description of six new species, Zootaxa 4577 (3), pp. 439-472: 444-445

publication ID

https://doi.org/10.11646/zootaxa.4577.3.2

publication LSID

lsid:zoobank.org:pub:E935D0FF-BECD-4981-BAED-CAE1053B041B

persistent identifier

http://treatment.plazi.org/id/03B987A5-526E-FFFE-FF2D-3A95FE56FD28

treatment provided by

Plazi

scientific name

Amazunculus besti Rafael
status

 

Amazunculus besti Rafael  

Figs 16–30 View FIGURES 16–19 View FIGURES 20–30

Amazunculus besti Rafael, 1986: 17   , fig. 6; Rafael & Rosa, 1991: 343; De Meyer, 1996: 44 (cat.); Galinkin & Rafael, 2008: 521, figs 10, 11; Rodriguez & Rafael, 2012: 14; Marques & Rafael, 2018.

Redescription. Mesopleuron black, brown pruinose, except anepisternum grey pruinose anterodorsally; katatergite grey pruinose and anatergite grey brown pruinose. Mediotergite mostly brown pruinose. Legs ( Figs 16–17 View FIGURES 16–19 ) dark brown to black, except apices of the coxae, trochanters, femora and bases of tibiae yellow; femora with grey pruinescence on the posterior face below. Wing ( Fig. 18 View FIGURES 16–19 ). Length 7.8 mm. LW/MWW = 3.3. LTC/LFC = 1.3. Membrane mostly hyaline except basal third darkened. Abdomen ( Fig. 17 View FIGURES 16–19 ). Dark brown to black with brown pruinescence, all tergites with interrupted bands of grey pruinescence posteriorly. Tergite 6 and sternites 6 and 7 as in Fig. 20 View FIGURES 20–30 . Terminalia. Syntergosternite 8 with a moderately large membranous area ( Fig. 21 View FIGURES 20–30 ). Epandrium yellowish brown, very inflated. Surstyli ( Figs 22–23 View FIGURES 20–30 ) yellowish brown, symmetric and fused with epandrium, distinctly projected ventrally ( Figs 24–25 View FIGURES 20–30 ), surpassing margins of epandrium and almost reaching base of abdomen. Phallic guide ( Figs 26–28 View FIGURES 20–30 ) very elongated, expanded laterally medially ( Fig. 27 View FIGURES 20–30 ), longer than surstyli and strongly curved, about 2.4× the hypandrium length. Basal processes of phallus large and pointed, surpassing posterior margin of hypandrium but narrower than hypandrium ( Figs 26, 29 View FIGURES 20–30 ). Apex of phallus elongated, ending well beyond the two long desclerotized projections and with small spiniform projections on medial surface ( Figs 28–29 View FIGURES 20–30 ). Ejaculatory apodeme as in Fig. 30 View FIGURES 20–30 .

Female known and described by Rafael (1986). Front and face with grey pubescence. Postpronotal lobe, mesopleuron and anterior part of scutum with grey pruinescence. Wing base darkened. Abdominal tergites with interrupted bands of grey pruinescence posterolaterally. Ovipositor. OL: 1.5 mm; PL: 0.9 mm; B: 0.6 mm. Base dark brown to black, grey pruinose. Piercer yellowish brown, distal part shining and straight.

Type material examined. HOLOTYPE ♂: “ BRASIL, AM [ Amazonas ], Rio Japurá, L.[ago] Amanã, [2°35'0.53"S, 64°40'0.09"W], ix.1982, R. Best ” “Holótipo ♂, Amazunculus besti Rafael   ”, “ DIPT. 364 HOLÓTIPO” “ J. Skevington Specimen #7941” ( INPA) ( Fig. 19 View FIGURES 16–19 ) GoogleMaps   . Paratype: “ idem, viii.1982, R. Best ” “ Parátipo ♀ Amazunculus besti Rafael   ”, “ DIPT. 364 PARÁTIPO” “ J. Skevington Specimen #7942” (1 ♀, INPA). Additional material: “ BRASIL: Roraima, Rio Uraricoera, Ilha de Maracá , [03°25'N, 61°40'W], 02–13.v.1987 ” “ J.A. Rafael, J.E.B. Brasil e L.S. Aquino ” “ Armadilha de Malaise ” “ Amazunculus besti Rafael   det. J.A. Rafael ” “ J. Skevington Specimen #7917” (1 ♂, INPA); “ idem, 21–30.xi.1987, J.A. Rafael e equipe” “ Armadilha de Malaise ” “DW0412- DW0413” (2 ♀, INPA) GoogleMaps   .

Holotype condition. Head lost; right wing detached, mounted on microslide; left wing with apex damaged; front legs glued in a paper triangle; terminalia placed in a microvial with glycerin.

Geographical distribution. Brazil: Roraima, Amazonas ( Fig. 182 View FIGURES 182 ).

Habitat. This species is found in the Brazilian Amazon rainforest, with some specimens collected in Malaise traps at ground level.

AM

Australian Museum

INPA

Instituto Nacional de Pesquisas da Amazonia

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Pipunculidae

Genus

Amazunculus

Loc

Amazunculus besti Rafael

Marques, Dayse W. A., Skevington, Jeffrey H. & Rafael, José A. 2019
2019
Loc

Amazunculus besti

Rodriguez, H. C. & Rafael, J. A. 2012: 14
Galinkin, J. & Rafael, J. A. 2008: 521
De Meyer, M. 1996: 44
Rafael, J. A. & Rosa, M. S. S. 1991: 343
Rafael, J. A. 1986: 17
1986