A revision of the genus Rhinotorus Förster, 1869 (Hymenoptera, Ichneumonidae, Ctenopelmatinae), with descriptions of three new species and an illustrated identification key
Author
Reshchikov, Alexey V.
text
European Journal of Taxonomy
2016
2016-10-05
235
235
1
40
journal article
21870
10.5852/ejt.2016.235
6c2c2795-d283-4de4-a94e-42c64c88187c
2118-9773
3847734
1A763AF4-A12F-4CCF-94CB-3981D29D7E55
Rhinotorus mesocostanus
(
Thomson, 1894
)
Fig. 9
Spudaeus
mesocostanus
Thomson, 1894: 2011
,
lectotype
examined.
Diagnosis
This species is distinguished from other species in the genus by the following characters: face entirely black (
Fig. 9A
); face roundish in anterior view (
Fig. 9A
); scutellum black; mesopleuron coriaceous, matt, and impunctate; metasoma with second and third tergites reddish (
Fig. 9C
); first metasomal tergite with transverse impression defined (
Fig. 9B
); first metasomal tergite with projections at spiracles or narrow basally (
Fig. 9B
).
Type material examined
Lectotype
SWEDEN
:
1 ♀
,
Stockholm
,
MZLU
.
Other material examined
FINLAND
:
1 ♀
, Inari Lapland, Utsjoki, Kaamanen,
24–
28
Jun.
2013
, leg.
R
. Jussila,
RJ
.
POLAND
:
1 ♀
, Iwanowo, leg.
B
. Sokanowsky, NHRS-HEVA000002062,
NHRS
.
SWEDEN
:
1 ♀
, Småland, Nybro kommun, Alsterbro/Alsterån. Mixed forest
N
6312220,
E
1506997 (=TrapID 1008)
22
May–
1
Jun.
2006
(= coll. event
ID
1735), leg.
SMTP
,
NHRS
;
1 ♀
,
Dalarna
, Lima, leg.
E
. Dahl,
NHRS
;
2 ♀♀
, Lappland,
17
Aug.
1904
, leg.
A
. Roman,
NHRS
;
1 ♀
, Lapland,
10
Jul.
1918
, leg.
R
. Malaise,
NHRS
;
2 ♀♀
,
Södermanland
, Huddinge kommun, Sofielunds kadaverdeponi, cadaver dump,
59°10.592´
N
17°59.631´
E
(= Trap
ID
2003),
29 Jun.
–
7
Jul.
2006
(= coll. event
ID
2034), leg.
SMTP
,
NHRS
;
1 ♀
, Uppland, Håbo kommun, Biskops-Arnö, northern beach, elm grove,
59°40.328´
N
17°30.051´
E
(= Trap
ID
8),
20 May–
20
Jun.
2005
(= coll. event
ID
1601), leg.
SMTP
,
NHRS
;
1 ♀
, Uppland, Knivsta kommun, Rickebasta alsumpskog, alder swamp wood,
59°44.061´
N
17°43.225´
E
(= Trap
ID
9),
11 Jun.
–
24
Jun.
2005
(= coll. event
ID
1609), leg.
SMTP
,
NHRS
;
3 ♀♀
, Småland, Nybro kommun, Bäckebo, Grytsjöns naturreservat. Old, moist haymaking meadow on forest edge,
N
6311678
E
1517066 (= Trap
ID
1001),
18
May–
15
Jun.
2006
(= coll. event
ID
1728), leg.
SMTP
,
NHRS
.
Description
Female
Fore wing around
6–7 mm
long. Antenna slender, about as 0.8 times as long as fore wing and with 30–31 flagellomeres. Ratio of length of 1
st
plus 2
nd
flagellomeres to eye height 1.3. Scape as broad as long. Head not narrowed behind eyes, matt, with dense, fine punctures on shagreened surface. Lateral ocellus separated from eye margin by 1.5 times their widest diameter. Face transverse, 2.6 times as wide as high, shagreened and parallel-sided (
Fig. 9A
). Clypeus 0.3 times as high as wide and distinctly separated from face by a deep impression, projecting medially, shining and sparsely punctate, its apical margin obtuse medially and impressed laterally. Clypeal fovea shallow. Malar space as long as basal mandible width. Occipital carina complete. Mandible teeth of equal length.
Fig. 9.
Rhinotorus mesocostanus
(
Thomson, 1894
)
.
A
. Face.
B
. Metasoma.
C
. Habitus.
Mesoscutum weakly shining, finely granulate, with dense and uniformly strong punctation. Notaulus distinct. Mesopleuron finely punctate, shining in upper part and shagreened in lower part. Metapleuron weakly shining, smooth, with dense punctation. Propodeum weakly rugose (
Fig. 9B
). Area superomedia fused with area basalis, their combined area 2.6 times as long as broad. Costula absent. Area apicalis trapezoidal, 0.6 times as long as broad, and equal to 0.4 of propodeum, often with longitudinal carina and sometimes with striation. Spiracles weakly oval, 1.2 times as long as broad. Hind femur 5.3 times as long as broad. Hind tibia 8.5 times as long as apically broad. First tarsomere of hind leg 8.7 times as long as broad and 2 times as long as second tarsomere. Claws not pectinate. Fore wing with pterostigma elongate, around 5.7 times as long as broad and intercepted by Rs before its middle. 2m-cu curved, with a single bulla. Cu-a slightly inclival, postfurcal. Hind wing with cu-a intercepted around its middle.
Metasoma strongly punctate (
Fig. 9B
). First metasomal tergite 1.1 times as long as apically broad and projecting dorsally, its dorsal longitudinal carinae reaching middle of tergite and with a strong impression between carinae in basal part. Area between dorsal carina and spiracle with longitudinal impression. Spiracles projecting laterally. Subapical impression strong and rather broad. First metasomal sternite 0.2 times as long as its tergite. Second metasomal tergite 0.7 times as long as broad apically (
Fig. 9B
), its transverse impression starting immediately after middle of tergite. Second and third tergite with weak transverse impressions. Ovipositor sheaths weakly cone-shaped (
Fig. 9C
) and as long as height of last visible tergite. Ovipositor stout at base with a shallow subapical notch, tip of upper valve rather elongate after notch, around 0.3 times as long as ovipositor length.
Colouration: body mostly black (
Fig. 9
); apical part of clypeus, fore and middle legs (except coxa), hind femur, base of hind tibia and second and third tergites of metasoma reddish; middle part of hind tibia reddish-yellow.
Male
Unknown.
Host records
Unknown.
Distribution
Austria
,
Belgium
,
Finland
,
Germany
,
Lithuania
,
Luxemburg
,
the Netherlands
,
Norway
,
Russia
,
Sweden
.