<p> <strong> Diagnoses and discussion of the group 1 and 2 Brazilian species of <em> Heteragrion </ em>, with descriptions of four new species (Odonata: Megapodagrionidae) </ strong> </ p>
Author
LENCIONI, F. A. A.
text
Zootaxa
2013
2013-07-09
3685
1
1
80
http://dx.doi.org/10.11646/zootaxa.3685.1.1
journal article
10.11646/zootaxa.3685.1.1
11755334
10098598
5807B81B-3FDE-41C9-808F-005192A5E089
Heteragrion dorsale
Selys, 1862
Figs. 40A–C
(
♂
thx), 71 (map)
Heteragrion dorsale
Selys, 1862: 23–24
[21–22 reprint] (description of male);
Selys, 1886: 57
(species diagnosis);
Williamson, 1919: 24
(discussion);
Costa
& T. C. Santos, 2000: 4 (key); Machado, 2006: 1065 (redescription of
holotype
);
Garrison et al, 2010: 88
(list).
Types
.
Male
holotype
in IRSNB (not examined).
Additional material examined
.
None.
Distribution
.
Only the
type
locality:
Brazil
:
Rio de Janeiro State
: Nova Friburgo.
Diagnosis
.
Only known by the
holotype
, currently diagnosed from congeners only by color as indicated in
Machado's (2006) redescription reproduced here: "
Mesepisternum orange with black marks as follows: at the middorsal, basal and antealar carinae extending below to the acrotergal area and above to the antealar sinus; a semicircular spot adjoining the upper 1/4 of the humeral suture. A narrow stripe adjoining the middorsal carina at each side visible only at its upper third, extending laterally to the lower third of the antealar carina. Mesepimeron with a black stripe occupying all the extent of the sclerite, continuing below into the mesinfrepisternum. It has a brownish orange area at its lower extremity. Small one at the anterodorsal part. Mesinfraepisternum black with a brownish orange anterodorsal part becoming brownish orange at its lower extremity and continuing below into the metinfraepisternum; a metepimeral one, black becoming brownish orange at its upper extremity
”. Appendages missing.
Remarks:
As pointed out by Machado (2006), the specimen illustrated by
Lencioni (2005)
is not
H. dorsale
but represents an as yet undescribed species.