Porphyrochroa atlantica, Mendonça, 2010

Mendonça, Mirian Nascimento, 2010, New species of Porphyrochroa Melander (Diptera: Empididae) from Paraná, Brazil and key to Brazilian species from southern and south-eastern Brazil, Journal of Natural History 44 (9 - 10), pp. 615-624 : 617-621

publication ID	https://doi.org/ 10.1080/00222930903437333
persistent identifier	https://treatment.plazi.org/id/A5208784-FFDA-FFA2-FDD0-FA61FC2CFCC8
treatment provided by	Carolina
scientific name	Porphyrochroa atlantica
status

Treatment

Porphyrochroa atlantica

( Figures 1 View Figure 1 A–I, 2, 3)

Diagnosis

Porphyrochroa atlantica sp. nov. differs from all other studied species by the tergite 7 in the form of an arrow posteriorly.

Description

Male. Body length 2.9 mm; wing length 2.7 mm. Head shiny dark-brown, with metallic green lustre in diverse angles of incident light. Eyes dichoptic. Frons and face shiny dark-brown. Frons slightly wider than anterior ocellus width, subparallel-sided, with three pairs proclinate setae. Face slightly longer and wider than frons width. Proboscis yellow, length equal to height of head. Palpus light-brown, with one small and almost apical seta. Ocellar tubercule with vitreous yellow ocellus; two proclinate ocellar setae; two proclinate postocellar setae. Antenna brown, with conspicuous grey pruinescence; scape and pedicel medially verticillate; flagellum about four times longer than scape and pedicel combined. Postcranium shiny brown, with distinct brown setae and little grey pruinescence; a pair of proclinate vertical setae; postocellar setae distinct, with dorsal stronger. Gena and postgena with grey pruinescence. Thorax shiny dark-brown, with metallic green lustre in diverse incident angles of light and conspicuous postsutural light-grey pruinescence. Thoracic setae: 4 ktg; 4 ap sctl; 1 pprn; 1 prepst; 3 acr; 4 dc; 1 p spal; 1 spal; 1 pal; 1 npl. Legs yellow with distinct and short setae. Wing hyaline with conspicuous pterostigma; anal lobe wide; R 2+3 curved ( Figure 4A View Figure 4 ). Halter light-brown. Abdomen shiny brown, with metallic green lustre in diverse angles of incident light. Sternites brown. Tergite 7 in arrow format posteriorly and with pair of posteroventral protuberances ( Figure 1A View Figure 1 ); tergite 8 concave posteriorly with few setae confined posterolaterally ( Figure 1A View Figure 1 ); sternite 7 wider than long ( Figure 1B View Figure 1 ); sternite 8 sub-square ( Figure 1B View Figure 1 ). Terminalia: epandrium digitiform ( Figure 1F View Figure 1 ). Hipandrium without setae with apex narrow ( Figure 1E,G View Figure 1 ). Cercus elongate with narrower superior projection in dorsal view ( Figure 1I View Figure 1 ); ejaculatory apodeme with four projections in anterior view ( Figure 1D View Figure 1 ); subepandrial sclerite as in Figure 1H View Figure 1 .

Female. Unknown.

Distribution

Brazil (Paraná).

Type material

Holotype. Male : Antonina – PR, Reserva Sapitanduva , Brasil, 3 October 1986, Lev. Ent. PROFAUPAR, Lâmpada \ Holotipo male Porphyrochroa atlantica sp. nov. ( DZUP).

Paratypes. Antonina – PR, Reserva Sapitanduva, Brasil , 2 October 1986, Lev. Ent. PRO- FAUPAR, Lâmpada (1 male, DZUP) ; 5 October 1986 (1 male, DZUP) ; 1 December 1986 (1 male, DZUP) ; 2 December 1986 (1 male, DZUP) ; Telêmaco Borba – PR, Reserva Samuel Klabin, Brasil , 1 December 1986, Lev. Ent. PROFAUPAR, Malaise (1 male, DZUP) .

Holotype condition: right hindleg without tarsi; left wing mounted on microslide in Canada balsam; abdomen within microvial with glycerin. Microslide and microvial pinned along with the specimen.

Etymology

Atlantica refers to the Atlantic forest, where this species was collected.