Two new species of Chnoodes Chevrolat (Coleoptera: Coccinellidae) from Brazil
Author
Krüger, Thaysa C.
Author
Castro-Guedes, Camila F.
Author
Almeida, Lúcia M.
text
Zootaxa
2016
4078
1
269
283
journal article
46794
10.11646/zootaxa.4078.1.24
249154a6-60d8-4211-8e99-6d1bd1e18103
1175-5326
260660
6933D1C8-CB19-4F96-AF9E-7F116C2F3E36
Chnoodes pentagona
Crotch, 1874
(
Figure 4
)
Chnoodes pentagona
Crotch, 1874
: 287
;
Sicard, 1912
: 305
;
Korschefsky, 1932
: 226
;
Blackwelder, 1945
: 450
.
Material examined
.
BRAZIL
:
Amazonas
: Itacoatiara,
V.1962
, Dirings leg.,
1 specimen
(
MZSP
).
Amapá
: Macapá,
2.II.2004
, A.A.B. Barbosa leg.,
2 specimens
(
DZUP
).
Mato Grosso
: Barra do Tapirapé,
14.XII.1964
, B. Malkin leg.,
1 specimen
(
DZUP
).
Male
. Length 3.12 mm, width 2.64 mm. Body elongate-oval, with long dense yellowish pubescence. General color yellowish brown, pronotum with central black spot; scutellum black. Each elytron with four black spots: the central spots fused, forming a pentagonal spot; and three on the lateral margin of each elytron, one triangular spot on the humeral callus, one rectangular spot in the middle, and one small triangular spot on the apex (
Figs 4
A–D). Antennae, mouthparts, hypomera, epipleurum and legs yellowish-brown. Meso, metasternum and first abdominal ventrite black (
Fig. 4
B).
Genitalia symmetrical; basal lobe wide, half length of parameres, tapered at apex (
Fig. 4
E). Parameres wide, elongated, with long bristles throughout their length (
Fig. 4
F). Sipho sinuous, with wide siphonal capsule (
Fig. 4
G).
Female
. Length 3.00–3.40 mm, width 2.40–2.80 mm. Coxites longer than wide, subtriangular; apex mammilliform, with long bristles (
Fig. 4
H). Spermatheca C-shaped, elongated, with slightly narrowed apex (
Fig.
4
I).
Geographical distribution
.
Brazil
(AM, AP, MT).
Remarks
.
Chnoodes pentagona
(
Fig. 4
) resembles
C. brasiliensis
(
Fig. 1
), but is clearly distinguished by the size and distribution of the spots on the elytra, and the shape of the genitalia.