Andesipolis, a puzzling new genus of cyclostome Braconidae (Hymenoptera) from the Chilean Andes, with descriptions of three new species
Author
Whitfield, James B.
Author
Choi, Won-Young
Author
Suh, Kyong-In
text
Zootaxa
2004
438
1
15
journal article
10.5281/zenodo.157242
53ed3990-627e-44cc-b903-6eb876015f54
11755326
157242
569A6BEF-157C-42A9-832F-EB202A658D5A
Andesipolis
Whitfield & Choi, New
Genus
Type
species:
Andesipolis masoni
Choi & Suh
,
n. sp.
(described below).
Etymology:
The generic name comes from the superficial resemblance to
Rhysipolis
, and from the Andean distribution of the genus.
Diagnosis:
Antennae 27–34 segmented, slightly longer than fore wing (
Fig. 26
). Malar suture present (
Fig.18
,
23
). Ocelli in equilateral triangle, occipital carina complete, remaining separate from hypostomal carina to mandibular base (
Fig. 12
,
23
). Maxillary palps 6 (sometimes appearing7)segmented; labial palps 3segmented. Pronope absent. Notauli short, covering only anterior part of mesonotum (
Fig 6
,
13
,
14
), shallow and narrowly elliptical midpit present (
Fig 6
,
13
,
14
). Epicnemial carina present (
Fig. 5
,
16
,
20
). Sternaulus present as a short groove on the posterior portion of mesopleuron (
Fig. 5
,
16
,
20
. Fore wing 2a vein present (
Fig. 1 3
).
Hind
tibia without a fringe (comb) of spines on inner side of apex, or with a very poorly developed group of spines. Propodeum with (
Figs. 7
,
13
,
21
) or without (
Fig. 15
) welldefined areola, but when welldefined, usually elongate with a transverse carina dividing it into anterior and posterior portions. First tergite with distinct dorsope; dorsal carinae converging posteriorly (
Fig. 7
,
11
,
15
,
21
). Ovipositor sheaths long and setose (
Fig. 9
,
17
,
22
).
Distribution:
Chile
(Neotropical).
Biology:
Unknown.
Comments:
The new genus superficially resembles some species of
Rhysipolis
Förster
in habitus (hence the name we have given it), and in addition in many details of the mesopleuron, wing venation and metasomal tergites. Unlike
Rhysipolis
, the forewing (
Figs. 13
) has a distinctly visible vein 2a (not common within
Braconidae
yet found more basally within
Hymenoptera
). In addition the mesonotum has a longitudinal posterior groove as in many Hormiini and Rhyssalini (perhaps represented in an often less welldemarcated form in
Pseudorhysipolis
Scatilini, PenteadoDias and Achterberg
), while the propodeum has a “double areola” pattern of carinae resembling especially Rhyssalini (figs. 7, 13, 21). The latter character has been proposed as likely to be plesiomorphic within
Braconidae (
Whitfield, 1988
)
; some Rhysipolini also have a double areola, but of a different form (
Spencer & Whitfield, 1999
). Unlike typical Hormiini and Rhyssalini vein mcu meets RS + M before RS splits from M (in this respect resembling
Rhysipolis
, Exothecini and Rogadinae
). Thus, the new genus
Andesipolis
has a unique combination of features that make it difficult to place to tribe or subfamily. This difficulty is largely due to the tribes and subfamilies not being very well defined in the first place. Its biology is unknown, but the typically long ovipositor (
Figs. 9
,
17
,
22
) resembles that of groups that attack hosts within shelters of leaf (
Rhysipolis
Shaw, 1983
;
Whitfield, 1992
;
Spencer & Whitfield, 1999
) or stem tissue (Doryctine Marsh, 1997, or plant galls (Hydrangeocolini
Oda et al., 2001
;
Belshaw et al., 2003
).
Andesipolis masoni
Choi & Suh
,
n. sp.
(
Fig. 1
,
4–9
)
Female.
Body length
2.6–2.9 mm
; forewing length
3.5 mm
.
Head
1.1–1.2X wider than mesoscutum. Face 1.6X as broad at midheight as long medially, smooth and polished with scattered setae. Clypeus 2.6X as broad as its height. Malar space 0.4X eye height in frontal view. Eyes 1.2–1.3X higher than width; eyes 1.6– 1.8X longer than temple in lateral view. Vertex smooth and polished, with scattered setae. Occipital and hypostomal carinae remaining separate to mandibular base. Antennae slightly longer than forewing; 27–29 segmented. Maxillary and labial palps 6 and 3segmented respectively.
Mesosoma
1.8 1.9X longer than high; 2.2–2.3X longer than width between tegulae. Pronotum rugose dorsally; mostly polished laterally. Mesonotum weakly punctate with scattered setae; Notauli short, presenting only anterior onethird of mesonotum; midpit shallow and long, 0.4 0.6X as long as mesonotum. Scutellum 1.2X as long as width, smooth to weakly punctate and polished; scutellar sulcus 0.3X as long as width. Propodeum with roughly pentagonal shape areola and distinct areolar crossbridge with irregular ridges arising inside of areola; median carina present; with irregular ridges around median carina and transverse carinae; polished anteriorlaterally.
Hind
coxa 2.0X as long as width, slightly shorter than first abdominal tergum, smooth and polished; hind tibial spur short, 0.24X as long as basitarsus; hind tarsal claw simple.
Wing
Forewing: Stigma about 4.3X longer than broad; vein r arising from middle of stigma; Vein r 0.5X as long as vein 3RSa. Vein 2RS 0.8X as long as vein 3RSa. Vein 3RSa 0.5X as long as vein 3RSb. Vein rm spectral, 0.6X as long as vein 3RSa. Vein 1CUb 1.9X as long as vein 1CUa. Vein (RS+M)b present, short and spectral. Vein 11AC 0.4X as long as vein 21A. Hindwing: Vein M+CU 1.9X as long as vein
1M.
Vein cua 0.5X as long as vein 1M, slightly curved. Vein rm 0.6X as long as vein
1M.
Metasoma
Length of tergite I 0.8X its apical width, distinctly sclerotized, reticulaterugose except granulate posteriordorsolateral portion; dorsal carinae converging but not jointed; dorsope rather large and deep. Tergite II and III smooth to granulate and polished, tergite II 1.9X as long as tergite III. Hypopigium small. Ovipositor 0.8–0.9X shorter than hind tibia, straight; ovipositor sheath 0.6X shorter than ovipositor.
Color
Body generally orangebrown or brown; maxillary and labial palps pale yellow; antenna brown;
mesosoma
yellowish brown except brown scutellar sulcus; propodeum brown; legs orangebrown to brown.
Male
Unknown.
Biology
Unknown.
Diagnosis
This species can be distinguished from other
Andesipolis
species by the relatively short and straight ovipositor (the ovipositor is always shorter than the hind tibia). Material examined.
Holotype
. Female:
Chile
: Carelmapu, Llonquihue,
21–28.ii.1957
, L. E. Pena (CNC)
Paratypes
:
1 female
,
Chile
: Pucotrihue, Valdivia,
11–13.iii.1955
, L. E. Pena (CNC);
1 female
, Chepu, I. De Chiloé,
3.ii.1952
, Peña (CNC).
Etymology.
This species is named for the late W.R. M. Mason, who contributed a great deal to this work, as detailed above.