Revision Of Neotropical Genea Rondani (Diptera, Tachinidae, Tachininae, Leskiini)
Author
Nunez, Enio
. Universidade Severino Sombra. Rua Expedicionário Oswaldo de Almeida Ramos, 280, Centro, Vassouras, 27000 - 000, Rio de Janeiro, RJ, Brasil.
Author
Couri, Márcia S.
. Museu Nacional, Universidade Federal do Rio de Janeiro. Quinta da Boa Vista, 20940 - 040, Rio de Janeiro, RJ, Brasil. &. CNPq fellow.
text
Papéis Avulsos de Zoologia
2011
2011-12-31
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31
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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492011003100001&lng=en&tlng=en
journal article
10.1590/S0031-10492011003100001
1807-0205
13222385
Genea tenuirostris
(
James, 1947
)
(
Figures 29-30
)
Dejeaniopalpus tenuirostris
James, 1947: 105
(description of male);
Guimarães, 1971: 116
(catalogue).
Genea tenuirostris
;
Wood, 1987: 1264
(comb. nov.);
O’Hara & Wood, 1998: 761
(comb. nov. formalized).
Diagnosis:
Males and females with 2 pairs of proclinate orbital setae and 1 pair of reclinate orbital setae.
Male:
Body length, 7.5-10.0 mm; wing, 6.5-9.0 mm.
Head:
White; parafrontal and vertex slightly golden; parafacial with 2/3 of the width of the flagellomere; vitta yellow; 5-8 pairs of frontal setae, 2-3 pairs below the level of the antennal insertion; frons with 0.45 of the head width at the level of the anterior ocellus; inner and outer verticals present; antenna yellow, flagellomere brown, yellow on base; arista slightly plumose; proboscis long, mentum with 1.5 times the head height (
Fig. 29
); median vibrissa; 4-7 pairs of subvibrissal setulae, shorter near vibrissa; 1-3 pairs of setulae above vibrissa; palpus exceptionally long with almost twice the length of the flagellomere.
Thorax:
brown in ground colour with white and golden pruinosity; dorsocentrals 3+3; post-pronotals 2; scutellum with one pair of basal setae; one pair of subapical setae and one pair of weak discal setae near the apex; pleura yellowish on anterior half otherwise brown with white pruinosity and long yellow setulae. Wing and calypter hyaline; vein
R
1
entirely setulose on dorsal surface (few setulae apically on ventral surface) and vein
R
4+5
setulose from base to a little beyond crossvein r-m on dorsal surface (
Fig. 30
). Legs with coxa, trochanter, femur and tibia yellow, tarsus slightly brown; fore tibia with 1 strong posterior seta on middle third; 1 dorsal subapical seta; 1 posteroventral apical seta; claws and pulvilli short; mid femur with 1 anterior seta on middle third; 2-3 long and sparse posteroventral setae on basal half; 2 posterodorsal subapical setae; mid tibia with 1 long anterodorsal seta on middle third; 1 strong ventral seta on middle third; 2 posterior setae on middle third; 1 anterodorsal and 1 posterodorsal subapical seta each; 1 anteroventral, 1 ventral and 1 posteroventral long seta each; hind femur with 2 posterodorsal setae on apical third; 4-7 sparse posteroventral setae on basal half and 3-5 anteroventral setae on basal half and 1 seta on apical third; hind tibia with one posterodorsal row of setae; 3-4 ventral setae on middle third; 1 anterodorsal and 1 posterodorsal subapical seta each; 1 anteroventral apical seta.
Abdomen:
Yellow;
T
1+2
not excavate to its hind margin; rounded median apical brown spot dorsally on
T
3
never surpassing the median line of this tergite and a triangular apical brown spot dorsally on
T
4
; small brown spots laterally on
T
3
to
T
5
; 1 pair of median marginal setae on
T
1+2
and
T
3
.
Male terminalia:
not dissected.
Female:
Differs from male as follows: median marginals on
T
1+2
absent, otherwise similar to male.
Type material:
Holotype
.
MEXICO
.
Tapachula
,
1 male
,
17-19.viii.1943
,
Snyder, F.M.
col. (
AMNH
).
Other material examined:
BRAZIL
.
Amazonas
:
Manaus
,
Reserva Ducke
, armadilha
Malaise
,
3 females
,
01-10.iii.1995
,
Barbosa, M.G.B.
col. (
INPA
)
.
Geographic distribution:
Mexico
,
Brazil
(new record).