A new, endemic genus of Anomaloninae (Hymenoptera, Ichneumonidae) from St Helena
Author
Broad, Gavin R.
https://orcid.org/0000-0001-7223-5333
g.broad@nhm.ac.uk
text
Journal of Hymenoptera Research
2014
2014-12-22
41
31
45
http://dx.doi.org/10.3897/JHR.41.8099
journal article
http://dx.doi.org/10.3897/JHR.41.8099
1314-2607-41-31
D80DD7F108904AADA4D9644AECADA6C9
FFF72809FFE0FFD1FF9FFF9F4B7F0C13
575029
Helenanomalon ashmolei
sp. n.
Figs
2
, 3b
, 4b
, 5b
, 6
, 7
, 9b, c
Description
.
Female. Fore wing length 3.6-3.7 mm. Antenna with 16-17 flagellomeres, apical two flagellomeres of partly fused but still with obvious division between them, apical flagellomere 3.7
x
penultimate flagellomere, penultimate 6 flagellomeres of antenna as wide as or wider than long, apical flagellomere at widest 1.8
x
as wide
as
first flagellomere; antennal flagellum 0.6
x
fore wing (Fig.
2
); scape 1.4
x
pedicel; distance between eyes ventrally c.0.7
x
distance dorsally (Fig.
3b
); mandible more strongly twisted than in
H
. bonapartei
sp. n., upper tooth 2.6
x
lower tooth. Head and mesosoma covered in closely spaced, silvery setae, denser than in
H. bonapartei
sp. n. (Fig.
4b
); metasoma, beyond first tergite, covered in slightly sparser setae; notauli absent (Fig.
4b
), no rugose area on mesoscutum. Head and mesosoma predominantly of granulate appearance, rugose, matt, impunctate. Hind trochanter dorsally 2.0
x
as long as trochantellus, ventrally 1.0
x
; hind tarsal claws weakly curved with only basal pecten (Fig.
5b
). First metasomal sternite with marked convexity sub-basally. Fore wing (Fig.
9b
) with
cu-a
slightly proximal to
Rs&M
; hind wing (Fig.
9c
) with 6 hamuli on vein
R
1; distal abscissa of
Cu
1 absent but with slight angulation on nervellus (
cu-a+ Cu
1). Petiolar index 2.19; fore wing indices: CI 1.27; BI 1.13; DBI 0.51; ICI 0.60; MI 1.89; hind wing index: RI 1.38.
Figure 2.
Holotype ♀ of
Helenanomalon ashmolei
sp. n.
Figure 3.
Face of
a
holotype ♂ of
H. bonapartei
sp. n. and
b
holotype ♀ of
H. ashmolei
sp. n.
Figure 4.
Mesoscutum of
a
holotype ♂ of
H. bonapartei
sp. n. and
b
holotype ♀ of
H. ashmolei
sp. n.
Figure 5.
Hind tarsal claw of
a
holotype ♂ of
H. bonapartei
sp. n. and
b
holotype ♀ of
H. ashmolei
sp. n.
Figure 6.
Antenna of holotype ♀ of
H. ashmolei
sp. n.
Figure 7.
Ovipositor of holotype ♀ (RMCA) of
H. ashmolei
sp. n.
Figure 8.
Genitalia of paratype ♂ (RMCA) of
H. bonapartei
sp. n.
Figure 9.
Wings of
Helenanomalon
species
a
fore and hind wings of paratype ♂ (BMNH) of
H. bonapartei
sp. n.
b
fore wing of holotype ♀ of
H. ashmolei
sp. n.
c
hind wing of
H. ashmolei
sp. n.
Colour
. Basically dark red; fore and mid legs and hind femur paler red; extreme base of hind femur, apex of hind trochanter, yellow; antenna basally paler red; inner orbits from antennal sockets to hind ocelli dull yellow; metasoma extensively orange-red in holotype ♀, darker red in paratype ♀.
Male: unknown.
Material examined.
Holotype ♀
'Sainte-Helene
: Est Prosperous Bay Plain 800-900 ft. 5.II.1967', 'Coll. Mus. Tervuren Seconde Mission Zoologique
a
Sainte-Helene
J. Decelle, N. et J.
Leleup'
(RMCA).
Paratype ♀ same data except 1000-1100 ft, 29.IV.1967, specimen number BMNH(E) #1022369 (BMNH).
Etymology.
Named after Philip and Myrtle Ashmole, who have done so much to encourage the study and conservation of the unique fauna of St Helena.