Review of the Argentinean species of Pseudomicrocara Armstrong (Coleoptera: Scirtidae)
Author
Libonatti, María Laura
Author
Ruta, Rafał
text
Zootaxa
2013
3718
2
137
157
journal article
10.11646/zootaxa.3718.2.3
49f23a34-d8d7-4407-85b6-e3776a575983
1175-5326
248524
2A21132C-7198-48D6-BB26-DDD8C3320E14
Pseudomicrocara obliquata
(Solier, 1849)
,
comb. nov.
(
Figs. 6, 7
,
21–23
,
32
,
90–95
)
Cyphon obliquatum
Solier, 1849: 456
(
type
locality: provincias meridionales de
Chile
).
Helodes obliquatus
: Gemminger
& von Harold 1869: 1618; Kolbe 1907: 71 (Southern
Chile
).
Cyphon obliquatus
: Pic 1914: 32
(checklist).
Cyphon obliquatum
: Blackwelder 1944: 267
(checklist;
Chile
); Moroni 1985: 174 (
Chile
, Southern Provinces).
Diagnosis.
Habitus suboval, TL:
3.55–3.67 mm
; EW:
2.16–2.24 mm
. Pronotum rectangular, anterior margin not curved. Elytra brownish to black with yellowish maculation consisting of three maculae. Two of them form an oblique stripe starting behind humerus and extending posteriorly to half length of elytra (these maculae are often fused); third macula close to suture, in anterior 1/3 of elytra, suture yellowish. Mandibles asymmetrical, right mandible one-toothed, left mandible without teeth, with spines on molar region. Male terminalia: tergite 8 with a pair of sclerotized apodemes subparallel, posterior margin rounded, with setae; tergite 9 with a pair of sclerotized apodemes not connected by a sclerotized cross-piece, posterior margin rounded, with setae; sternite 8 V-shaped, anterior margin rounded, with setae near posterior margin; sternite 9 with posterior margin rounded, a pair of sclerotized apodemes widening posteriorly, with setae. Male genitalia: tegmen with basal margin emarginate, parameres broad at base, narrowing gradually to the middle, continuing very narrow to apex, apex acute, styli present; penis with basal piece relatively short and broad, basal margin emarginate and lateral margins converging posteriorly, trigonium triangular, apex very acute, apical half of trigonium with longitudinal row of minute spines, parameroids with margins approximately parallel, external margin with minute spines, apex obliquely truncate.
Type
material:
Holotype
, not sexed (MNHN):
Cyphon
/
obliquatum
/ Sol. /
Chili
[handwritten].
Additional specimens:
Río Negro Province
:
Nahuel Huapi National Park, Lower Manso River,
1.xii.2008
– 14.
i.2009, 2
exx., Malaise, leg. Analía Garré & Fernanda Montes de Oca
(MLP)
.
Distribution.
So far this species had only been known to occur in
Chile
. It is newly reported from
Argentina
.