Notes On The Genus Phanoperla Banks From Sri Lanka And India (Plecoptera: Perlidae)
Author
Mason, Denise
Box 4045, Department of Biology, Mississippi College, Clinton, Mississippi 39058, U. S. A. E-mail: dmason @ mc. edu
dmason@mc.edu
Author
Stark, Bill P.
Box 4045, Department of Biology, Mississippi College, Clinton, Mississippi 39058, U. S. A. E-mail: stark @ mc. edu
stark@mc.edu
text
Illiesia
2015
11
4
29
40
journal article
http://doi.org/10.5281/zenodo.4760908
d92d447b-3342-41ca-bdcd-1175c037416f
1854-0392
4760908
7F93F639-6206-40B9-A63B-071DA459E8ED
Phanoperla peniculus
Kawai
(
Figs. 13-20
)
Phanoperla peniculus
Kawai 1968:115
.
Holotype
♂
(Limnologische Flussstation, Max-Planck-Instituts für Limnologie),
Hogenakal Fall
,
Cauvery River
,
Madras
,
India
Phanoperla peniculus
:
Zwick, 1982a:106
. Redescription
Material examined.
INDIA
:
Karnataka
,
Agumbe Ghats
,
13
°
29.386’N
,
75
°
04.537’E
,
9 October 2004
,
light trap
,
G. Svenson
,
33♂
,
24♀
(
BYUC
)
.
Same
site,
11 October 2004
,
canopy light trap
,
G. Svenson
,
24♂
,
11♀
(
BYUC
)
.
Same
site,
10-11 May 2004
,
canopy light trap
,
G. Svenson
,
1♂
(
BYUC
)
.
Adult habitus.
General color pale with pale brown markings; color white in alcohol. Head with a small brown area between ocelli, a small, median, curved, brown marking is present on the anterior frons and lappets and antennae are pale brown (
Fig. 19
). Pronotum with anterior, posterior and median sutures dark brown; disc with a narrow brown band along median suture and additional irregular brown markings on most of disc. Femora pale yellow-brown; tibiae pale brown. Wing membrane transparent; veins brown except C and Sc pale.
Putative Female.
Forewing length
8-9 mm
. Subgenital plate bilobed with U-shaped notch between lateral lobes (
Fig. 20
). Sternum 8 relatively hairy; posterior margin and subgenital plate lobes with long setae; area anterior to subgenital plate bearing a thick patch of shorter setae. Sternum 9 with sparse setation; minute hairs present in a dense patch between projecting subgenital plate lobes.
Egg.
Outline oval. Length ca. 300-310 μm, equatorial width ca. 250-265 μm (
Fig. 13
). Collar short, ca. 12 μ long and ca. 72 μm wide (
Fig. 18
). Anchor medusa-like with short tentacle-like processes in clusters around the margins (
Figs. 14, 17
); hexagonal imprints visible in membrane of anchor
Fig. 17
), but globular bodies absent (perhaps removed during ultrasonic cleaning). Chorion covered throughout with large, ca. 8-9 μm diameter pores (
Figs. 13, 15
), arranged in curved rows of ca. 15-16 pores between collar and base of lid; pores slightly smaller near collar and on lid. Micropyles not observed.
Comments.
In addition to the
holotype
,
Kawai’s (1968)
type series of this species includes a male and female
paratype
from the type locality and a
paratype
male from Chiengmai Province,
Thailand
.
Zwick (1982a)
discovered the aedeagus was missing for the
paratype
from
India
, and that the Thai specimen represents an entirely different species,
P. simplex
Zwick 1982a
.
Zwick (1982a)
also reported another male specimen from Bhadravati, Mysore,
India
, and stated
Jewett’s (1975)
records of this species from
Assam
,
Thailand
and
Malaysia
were in error. In the light trap material provided by the Monte L. Bean Life Science Museum, Brigham Young University, this is the only
Phanoperla
species
represented among more than
50 male
specimens collected in the Agumbe Ghats of southern
India
. A single species is also represented among the female specimens in these samples and we consider it the probable true female for this species. Adult males and females correspond in the obscure color pattern available, in size, and the large sample size comprised of only
one type
of male and
one type
of female. Although these data are inconclusive they do support the association.
Figs. 13-18. Putative
Phanoperla peniculus
egg. 13. Lateral aspect. 14. Collar end. 15. Equatorial chorionic detail. 16. Lid. 17. Anchor, oblique apical aspect. 18. Collar, lateral aspect.
21