Macrostomus paraiba, Rafael, José Albertino & Cumming, Jeffrey M., 2015

Rafael, José Albertino & Cumming, Jeffrey M., 2015, Revision of the genus Macrostomus Wiedemann (Diptera, Empididae, Empidinae). IV. The amazonensis species-group, Zootaxa 3947 (1), pp. 109-121 : 115-116

publication ID

https://doi.org/ 10.11646/zootaxa.3947.1.7

publication LSID

lsid:zoobank.org:pub:54A83A1C-7F6E-416C-88C3-E4D3916E1698

DOI

https://doi.org/10.5281/zenodo.6106254

persistent identifier

https://treatment.plazi.org/id/1755937A-FFEF-9A58-FF47-FB00A8CC878F

treatment provided by

Plazi

scientific name

Macrostomus paraiba
status

sp. nov.

Macrostomus paraiba View in CoL sp. nov.

( Figs 29–38 View FIGURES 29 – 38 , 60–61 View FIGURES 54 – 63 )

Diagnosis. Thorax entirely black, all coxae yellow. Abdomen including terminalia black. Male tergite 8 short, with anterior and posterior sinus of same depth. Hypandrium with many paired setae medially and shallow rounded sinuosity on posterior margin. Female hind tibia with pinnate setae.

Description. Holotype male. Body length 3.0 mm; wing length 3.3 mm. Width of frons approximately ¾ anterior ocellus width. Antenna velvety black. Palpus brown. Thorax shiny black. Thoracic setae: 4 dorsocentrals, 2 antepronotals, 1–2 proepisternals, 2 pairs of scutellars. Legs shiny, predominantly yellow with apex of mid and hind femora and apex of mid tibia black; hind tibia and all tarsi black with fore and mid tarsomeres 1 yellow. Hind femur ( Fig. 29 View FIGURES 29 – 38 ) with 1 anteroventral seta at distal third. Wing ( Fig. 60 View FIGURES 54 – 63 , paratype). Halter light brown, partially white at knob. Abdomen shiny black. Terminalia with tergite 8 short, with relatively deep anterior and posterior sinuses ( Fig. 30 View FIGURES 29 – 38 ). Epandrium with anterodorsal and posterodorsal lobes of same height ( Fig. 31 View FIGURES 29 – 38 ). Anterior cercus subquadrate in lateral view; posterior cercus elongate vertically with secondary protuberances, basal protuberance with long setae ( Fig. 31 View FIGURES 29 – 38 ). Cercal bridge ( Fig. 32 View FIGURES 29 – 38 ) small, connected with projection arising anteriorly from dorsal margin of anterior cercus. Ventral projection of cercus thin, with setae distally (as in Fig. 12 View FIGURES 10 – 17 of M. albicaudatus ). Hypandrium ( Fig. 33 View FIGURES 29 – 38 ) bearing many setae medially, basal setae uniseriate, with shallow rounded sinuosity on posterior margin.

Female. Legs rather yellowish. Mid tibia with 1 posterodorsal seta slightly longer near middle. Hind tibia ( Fig. 34 View FIGURES 29 – 38 ) with longer pinnate setae along dorsal margin and shorter pinnate setae along basal third ventrally. Wing ( Fig. 61 View FIGURES 54 – 63 ) brown infuscated at costal and r1 cell, and apex of r2+3 cell. Terminalia with tergite 8 and sternite 8 almost same length ( Fig. 35 View FIGURES 29 – 38 ). Sternite 8 with cleft laterally, near middle ( Figs 35, 37 View FIGURES 29 – 38 ). Genital fork ( Fig. 38 View FIGURES 29 – 38 ) small, without lateral arms. Genital chamber slightly sclerotized.

Geographical distribution. Brazil ( Paraíba ).

Type Material. HOLOTYPE ♂: “ BRASIL, Paraíba , João Pessoa, Campus UFPB [Universidade Federal da Paraíba ]” ( INPA). PARATYPES. BRAZIL. Same data as holotype (2♂, 1♀ INPA; 2♂ CNC); João Pessoa, Mata Atlântica, 15.vi.–15.vii.1986, D.S. Amorim, Malaise (1♀ CNC).

Holotype condition. Pinned, in good condition except flagellum and right wing lost. Not dissected.

Etymology. Named after the Brazilian State where the specimens were collected, Paraíba .

Discussion. See under M. amazonensis sp. nov.

UFPB

Departamento de Sistematica e Ecologia

INPA

Instituto Nacional de Pesquisas da Amazonia

CNC

Canadian National Collection of Insects, Arachnids, and Nematodes

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Empididae

Genus

Macrostomus

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF