<p> <strong> Neotropical <em> Ablabesmyia </ em> Johannsen (Diptera: Chironomidae, Tanypodinae) – Part I </ strong> </ p>
Author
Oliveira, Caroline Silva Neubern De
csneubern@gmail.com
Author
Silva, Mário Antonio Navarro Da
Author
Gessner, Alaíde Aparecida Fonseca
text
Zootaxa
2013
2013-11-04
3733
1
1
123
http://dx.doi.org/10.11646/zootaxa.3733.1.1
journal article
10.11646/zootaxa.3733.1.1
1175-5326
5268657
EE758378-9459-4970-8D59-5258597A0E28
Ablabesmyia manauara
Neubern
sp. n.
(
Figs 47
,
48
)
Type
material.
Holotype
:
♂
,
Brazil
,
Amazonas
,
Manaus
,
Catalão
,
60°01`10``W
–
03°08`00``S
,
07.vii.2008
,
light trap
,
C.S.N. Oliveira
&
L.M. Fusari
—
LEIA
.
Paratype
:
♂
, same data as holotype—
DZUP
.
Diagnostic characters.
A. manauara
sp. n.
differs from other species by the combination of the following characters: tibiae with 3 bands, expanded megaseta, aedeagal complex with 2 dorsal lobes, grooved aedeagal blade not beyond the basidorsal lobe.
Etymology.
Named after
type
locality.
Male
(n = 2, unless otherwise stated):
Dimensions
: Total length
4.82 mm
. Wing length
2.13–2.18 mm
. Total length/wing length 2.26. Wing length/length of profemur 2.27.
Coloration
(
Figs 47A–F
,
48A
): wings, thorax and abdomen follow figures 47A, 47B and 47F, respectively. Legs: P
I,
P
II
, P
III
—femora with 1 band, tibiae with 3 bands. Ratio of bands, related tibiae and tarsomeres
1
follow table 34. Hypopygium: gonocoxite and gonostylus base yellow.
TABLE 34.
Ratio of bands, related tibiae and tarsomeres
1
of
A. manauara
sp. n.
, ♂, (n=2).
A/B |
LMB/LBCB |
Y/Z |
P I |
0.51–0.53 |
1.35–1.40 |
– |
P II |
0.47 |
2.60–2.63 |
– |
P III |
0.55 |
0.36 |
– |
Head
: antenna with 14 flagellomeres; AR 1.77–1.85; apical flagellomere 129–131 µm and subapical seta 40– 42 µm long; coronal triangle 218–220 µm long and base 111–117 µm; clypeus bearing 43–44 setae, 135–141 µm long and 130–135 µm wide; labrum with 4 setae, 100–103 µm long and 68–70 µm wide; tentorium 161–169 µm long; cibarial pump 328–338 µm long and orifice 51–53 µm from apex; palpomeres
1–5
: 60–63; 97–100; 142–148; 167–172; 329–338 µm long; palpômero
3
with sensilla capitata 40–43 µm from base.
Wing
(
Fig. 47A
): width/lenght 0.29–0.32; VR 0.94; C 1.97–2.00 mm long; Sc
0.93–0.95 mm
long; m-cu 39–41 µm long and 697–700 µm from arculus; fr 740–743 µm from arculus; R
3
apex close to C; brachiolum with 4 setae; squama with 43 setae.
Thorax
(
Fig. 47B
): antepronotals 17; humerals 6; prealars 65; supraalar 1; scutelars 30.
Legs
(
Fig. 47C–E
): P
I
—apex of tibia 79–81 µm wide and with apical pectinated spur 80–83 µm long, spur ratio 0.46–0.48. P
II
—apex of tibia 63–67 µm wide and it with 2 apical pectinated spurs 76–80 and 60–64 µm long, spurs ratio 0.50–0.49 and 0.50–0.52 respectively. P
III
—coxa with 5 central microsetae; apex of tibia 80–81 µm wide and it with 2 apical pectinated spurs 83–89 and 60–65 µm long, spurs ratio 0.59 and 0.52–0.55 respectively. Lengths and proportions of leg segments table 35.
Hypopygium
(
Figs 48A–E
): tergite IX with 4–5 central setae; anal point absent; phallapodeme 81–85 µm long; sternapodeme 200–203 µm long; gonocoxite 200–206 µm long and 151–155 µm wide; gonostylus 219–223 µm long and with a keel in the central area, with 12 apical teeth; expanded megaseta; HR 0.91–0.92; HV 2.29. Aedeagal complex: grooved aedeagal blade 51–54 µm long, apex curled, base 15–17 µm, 9/10 4–4.5 µm; dorsal lobes 29–31 µm long, base 15–17 µm; lateral lobe and basidorsal lobe present.
Female and immatures:
unknown.