Amazunculus panamensis Marques, Skevington & 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: 462-463

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Amazunculus panamensis Marques, Skevington & Rafael

sp. nov.

Amazunculus panamensis Marques, Skevington & Rafael  , sp. nov.

Figs 138–152View FIGURES 138–142View FIGURES 143–152 6BCC2050-2D1E-4964-86BF-1E2 F26998View Materials F14

Diagnosis. Antenna brown. Wing entirely hyaline. Epandrium not inflated. Surstyli symmetrical, subtriangular, not fused with epandrium. Hypandrium with two distinct lobes near base of phallic guide. Phallic guide short, wider at base. Basal processes of phallus short, not surpassing the hypandrium width. Phallus without apical projections.

Description of male. Body length 6.9 mm. Head ( Fig. 138View FIGURES 138–142). Eyes contiguous for a distance of eighteen facets. F, EM, V = 0.5 mm, 0.7 mm, 0.4 mm. Frontal triangle and face grey pruinose. Postcranium dark, brown pruinose dorsally and grey pruinose laterally and ventrally. Antennae ( Fig. 139View FIGURES 138–142) with scape dark brown; pedicel dark brown, with five dorsal and three ventral bristles; postpedicel light brown with apex rounded below. LPP/WPP = 1.4. Labellum dark yellow to light brown. Thorax. Postpronotal lobe brown, grey-brown pruinose. Scutum and scutellum black with brown pruinescence. Notopleuron concolorous with the scutum, mostly grey pruinose. Mesopleuron dark brown, grey pruinose; katatergite and anatergite grey pruinose. Mediotergite dark brown to black with brown pruinescence medially. Wing ( Fig. 140View FIGURES 138–142). Length 8.1 mm. LW/MWW = 3.7. LTC/LFC = 1. Membrane entirely hyaline. Halter with stem dark yellow to light brown and knob dark brown. Legs ( Fig. 138View FIGURES 138–142). All legs dark brown, with articulations, apices of femora and bases of the tibiae yellow; all femora and tibiae with dense grey pruinescence on the posterior face below. Pulvilli yellow. Abdomen ( Fig. 141View FIGURES 138–142). Almost as long as wide. Black with brown pruinescence, all tergites with narrow bands of grey pruinescence posterolaterally. Tergites 6, 7 and sternites 6 and 7 as in Fig. 143View FIGURES 143–152. Syntergosternite 8 mostly brown pruinose; about 0.4× length of tergite 5 ( Fig. 141View FIGURES 138–142) and with a large circular membranous area ( Figs 144–145View FIGURES 143–152). Terminalia. Epandrium and surstyli yellowish brown ( Fig. 145View FIGURES 143–152). Surstyli ( Fig. 145View FIGURES 143–152) symmetrical, subtriangular, not fused with epandrium and not elongated dorsoventrally in lateral view ( Figs 146–147View FIGURES 143–152). Hypandrium with two distinct lobes ( Figs. 148–150View FIGURES 143–152). Phallic guide ( Figs 148–151View FIGURES 143–152) short and curved, almost as long as hypandrium; wider at base ( Fig. 151View FIGURES 143–152). Basal processes of phallus short and rounded, not surpassing the hypandrium width. Phallus without apical projections ( Fig. 149View FIGURES 143–152). Ejaculatory apodeme as in Fig. 152View FIGURES 143–152.

Female. Unknown.

Type material. HOLOTYPE ♂: “PANAMA-Canal Zone, Barro Colorado Is., [9.15°N, 79.85°W], 7.iii.63 No. CW & ME Rettenmeyer” “ Taken in Malaise trap ” “ J. Skevington Specimen #50731” “DW0144” “ Holotype ♂, Amazunculus panamensis Marques, Skevington & Rafael  ” ( KSUC) ( Fig. 142View FIGURES 138–142).GoogleMaps 

Holotype condition. Right wing detached, mounted on microslide. Right hind leg lost. Terminalia placed in a microvial with glycerin.

Etymology. The specific epithet ‘ panamensis  ’ refers to the country of the type locality, Panama.

Geographical distribution. This species is known only from the type locality, Canal Zone, Panama ( Fig. 183View FIGURES 183).

Habitat. This species was collected with Malaise trap at ground level in a forested area.


Museum of Entomological and Prairie Arthropod Research, Kansas State University