Fourteen new species of Pseudisobrachium (Hymenoptera, Bethylidae) from Atlantic rain forest of Espírito Santo, Brazil.
Author
Waichert, C.
Author
Azevedo, C. O.
text
Zootaxa
2004
661
1
22
http://atbi.biosci.ohio-state.edu/HymOnline/reference-full.html?id=21826
journal article
21826
Pseudisobrachium magnum
sp. nov.
(Figs. 61-64)
Description.-Male. Body length 4.76 mm; LFW 3.20 mm. Color: head, mesosoma and metasoma black; mandible and antenna black; legs black; wings subhyaline, veins light castaneous. Pubescence conspicuous.
Head (Fig. 61): mandible with 5 teeth (Fig. 62). Clypeus with trapezoidal median lobe, with a median polished spot. First four antennal segments in a ratio of 40:7:21:20; segment III 2.0 X longer than thick, segment XI 2.75 X; flagellar pubescence subappressed, with some erect setae. Frons strongly coriaceous, with small, conspicuous and abundant punctures, WH 0.95 X LH, WF 0.71 X WH, WF 1.48 X HE; DAO 0.12 X WF; OOL 1.15 X WOT, frontal angle of ocellar triangle acute; VOL about 0.87 X HE. Vertex broadly convex. Temples slightly divergent anteriorly.
Mesosoma: pronotum and mesonotum coriaceous, punctured as on frons, pronotal disc short, concave in profile, with a posterior transverse furrow; notauli shallow, present only apically; parapsidal furrows almost complete; scutellar disc coriaceous. Propodeal disc 1.02 X as long as wide, 1.86 X as long as high, basal triangle striate, posterior portion of disc and declivity finely strigulate, median carina incomplete, the posterior absent, lateral portion of propodeum weakly aciculate. Mesopleuron strongly punctured, with a large and polished callus. Fore wing with discoidal vein spectral, weakly pigmented, interstitial with median vein.
Genitalia (Fig. 63-64): paramere with ventral arm approximately 2.5 X wider than dorsal arm, the ventral concave; vannus with 5 grooves; aedeagus elliptical, apex emarginate, wide before the apex.
Material examined.-
HOLOTYPE
: male,
BRAZIL
,
Espirito
Santo
,
Santa Teresa,
Estacao
Biologica
de Santa
Lucia
,
30.
I.2001
,
sweeping
,
C.O. Azevedo & R. Kawada
col. (
UFES
).
PARATYPES
:
BRAZIL
,
Espirito
Santo
, 02 males,
Santa Teresa,
Estacao
Biologica
de Santa
Lucia
,
23.II-28.III.2001
,
sweeping
,
C.O. Azevedo & R. Kawada
col. (
UFES
)
;
01 male,
Cariacica, Reserva
Biologica
de Duas Bocas
,
26.XII.1996
,
sweeping
,
C.O. Azevedo & H. S.
Sa
col. (
UFES
)
.
Discussion.-This species is similar to
P. cuspidatum
, but here the apical margin of clypeus is concave and the ventral arm of paramere is narrower.
Etymology.-The specific epithet refers to the genitalia size.
Distribution.-Brazil (
Espirito
Santo).