New species of Asphondylia (Diptera, Cecidomyiidae, Asphondyliini) from Brazil
Author
Maia, Valéria Cid
Author
Oliveira, Lázaro Araújo
text
Papéis Avulsos de Zoologia
2021
Pap. Avulsos Zool., S. Paulo
2021-06-08
61
1
20
http://dx.doi.org/10.11606/1807-0205/2021.61.57
journal article
10.11606/1807-0205/2021.61.57
1807-0205
5213244
C6D19E17-7204-47E9-A63C-15E98BEB306B
Asphondylia ingaiensis
Maia
,
sp. nov.
(
Figs. 2-8
)
Diagnosis:
Male hypoproct truncated apically, deeply bilobed; ovipositor with needle part about 2.0-2.5 X length 7
th
sternite; pupa: antennal horn with apical part about 0.6 X length basal part, upper frontal horn simple, 0.5 X length antennal horn, lower frontal horn tridentate 0.3 X length antennal horn, 8
th
abdominal segment with 9-12 dorsal spines in the posterior row.
Figure 1. Length of cephalic horns indicated by black bars. (A) Antennal horns,(B) Upper facial horn,(C) Lower facial horn.
Figure 2.
Asphondylia ingaiensis
sp.nov.
, male.(A) Head,ventral view,(B) 1
st
and 2
nd
flagellomeres,(C) 3
rd
flagellomere.
Figure 3.
Asphondylia ingaiensis
sp.nov.
, male.(A) Foreleg,tarsal claw and empodium,lateral view (B) Midleg,first tarsomere,lateral view (C)Wing.
Figure 4.
Asphondylia ingaiensis
sp.nov.
, male.(A) Abdomen,lateral view,(B) 6
th-
8
th
abdominal segments,lateral view.
Male:
Body length:
3.40-3.90 mm
(N = 2). Head (
Fig. 2A
):
0.50-0.55 mm
long,
0.50-0.55 mm
wide (N = 2), eye facets circular, closely appressed; antennae: flagellomeres 1 and 2 not fused (
Fig. 2B
), scape truncated conical, setose, 0.15-
0.14 mm
long,
0.05 mm
wide (N = 2), pedicel globose, setose,
0.06 mm
long,
0.05 mm
wide, 1
st-
9
th
flagellomeres cylindrical, all
0.05 mm
wide, circumfila longitudinally wavy, dense, anastomosing, equally spread along segments (
Fig. 2C
), 1
st
flagellomere
0.22-0.24 mm
long, 2
nd
flagellomere 0.22-
0.21 mm
long, 3
rd
flagellomere 0.22-
0.20 mm
long,4
th-
8
th
flagellomeres
0.20 mm
long, 9
th
flagellomere
0.18-0.19 mm
long, 10
th-
12
th
flagellomeres missing (N = 2), proportion flagellomere neck-node 1:9; frons with 30-32 setae (male, N = 2); mouth parts: labrum long-attenuated; hypopharynx of the same shape of labrum, with long lateral setulae, anteriorly directed; labella elongate and convex,
0.13 mm
long,
0.04 mm
wide (N = 1), with lateral and mesal setae; palpus
0.33-0.39 mm
long:1
st
segment globoid,
0.06-0.07 mm
long,
0.04-0.05 m
wide, 2
nd
segment cylindrical,
0.08-0.11 mm
long,
0.04-0.05 mm
wide, 3
rd
segment fusiform,
0.19-0.21 mm
long,
0.05 mm
wide (N = 2), all segments with setae. Thorax: scutum with two dorsocentral rows of setae, setae more abundant anteriorly, two groups of lateral setae more abundant proximally, extending from base to distal margin, scales intermixed; scutellum with scattered setae; anepimeron setose; remaining pleural sclerites bare; legs: tarsal claws curved beyond midlength, anisomorphic, less robust on foreleg than on mid and hindlegs, empodium as long as claws (
Fig. 3A
); first tarsomere of each leg with an apical hook-like projection
0.03 mm
long (
Fig. 3B
); wing: length
2.70-2.90 mm
(N = 3) (
Fig. 3C
). Abdomen (
Fig. 4A
): trichoid sensilla not visible; 1
st-
7
th
tergites sclerotized, rectangular with a posterior row of setae, few scattered lateral setae and mostly covered elsewhere with scales,8
th
tergite bare, narrow, with mesal reentrance in the anterior margin (
Fig. 4B
); 2
nd-
8
th
sternites sclerotized, rectangular,narrower than tergites,with a posterior row of setae, several setae and midlength, few lateral setae, and mostly covered elsewhere with scales; 8
th
sternite with setae at
⅔
distal and mostly covered elsewhere with scales. Terminalia (
Fig. 4B
): gonocoxite short and stout,
0.16 mm
long,
0.12 mm
wide; gonostylus ovoid,
0.07 mm
long,
0.04 mm
wide, teeth
0.015 mm
long,
0.020 mm
wide (N = 3); hypoproct truncated apically and deeply bilobed.
Figure 5.
Asphondylia ingaiensis
sp. nov.
, female. (A) Head, ventral view, (B) 3
rd
flagellomere, (C) midleg, tarsal claw and empodium, lateral view, (D) Abdomen (4
th
segment to end),lateral view.
Female:
Body length:
3.80-4.60 mm
(N = 4). Head (
Fig. 5A
): about the same as male, antennae: scape
0.15 mm
long (N = 1), pedicel
0.06 mm
long (N = 1), 1
st-
8
th
flagellomeres cylindrical, all
0.05 mm
wide, circumfila comprising two longitudinal bands connected sub basally and apically by two transverse bands (
Fig. 5B
), 1
st
flagellomere
0.28 mm
long (N = 1), 2
nd
flagellomere
0.26 mm
long (N = 1), 3
rd
flagellomere
0.25 mm
long (N = 1), 4
th
flagellomere
0.23 mm
long (N = 1), 5
th
flagellomere
0.24 mm
long (N = 1), 6
th
flagellomere
0.22 mm
long (N = 1), 7
th-
8
th
flagellomeres
0.21 mm
long (N = 1), 9
th-
12
th
flagellomeres missing; mouthparts: labellum
0.07 mm
long,
0.04 mm
wide at midlength (N = 2), palpus
0.22-0.24 mm
long (N = 2): 1
st
segment globose
0.03 mm
long and
0.03 mm
wide (N = 2), 2
nd
segment cylindrical
0.07 mm
long,
0.02 mm
wide at midlength (N = 2), 3
rd
segment claviform
0.12-0.14 mm
long and
0.03 mm
wide at midlength (N = 2). Thorax: wing length: 3.00-
4.80 mm
(N = 7); tarsal claws more sclerotized and robust than in male (
Fig. 5C
). Abdomen (
Fig. 5D
): trichoid sensillae not visible, 1
st-
7
th
tergites as in male, 8
th
tergite with posterior margin with lobes
0.28-0.30 mm
long (N = 3), 2
nd-
6
th
sternites as in male, 7
th
sternite with anterior margin and posterior margins more sclerotized mesally,
0.65-0.70 mm
long, 1.54-1.75 X length sternite 6 (N = 4), setose (except basally), mostly covered elsewhere with scales; sternite 8 not sclerotized;ovipositor (
Fig. 6A
): needle part
1.35-1.70 mm
long, 2.08-2.42 X length sternite 7 (n = 4). Other characters as in male.
Figure 6.
Asphondylia ingaiensis
sp.nov.
(A) Female 6
th
abdominal segment to end,lateral view,(B-C) Pupa,(B) Head,frontal view,(C) Lower facial horn.
Pupa:
Color: brownish. Body length:
4.20 mm
(N = 1). Head (
Fig. 6B
): antennal horn
0.28 mm
long (N = 1), triangular, with inner margin serrated; apical seta
0.04 mm
long (N = 1); upper facial horn simple,
0.14 mm
long (N = 2), triangular; lower facial horn tridentate,
0.09 mm
long (N = 2), triangular (
Fig. 6C
); two pairs of lower facial papillae: one pair setose, the other bare; three pairs of lateral facial papillae: one pair setose, two bare; upper cephalic margin thickened laterally. Thorax: prothoracic spiracle
0.13-0.14 mm
long, as long as antennal basal width, setiform, slightly curved (N = 2), integument wrinkly (
Figs. 7A, B
). Abdomen: segments 2-8 with transverse rows of crescent dorsal spines at basal half (
Fig. 8A
); posterior row with 23-25 spines in the 2
nd
segment,
22-25 in
the 3
rd
,
22-24 in
the 4
th
,
21-24 in
the 5
th
,
18-24 in
the 6
th
,
13-18 in
the 7
th
and
9-12 in
the 8
th
.
Larva:
Body length:
3.20 mm
(N = 1); cephalic head
0.05 mm
long,
0.11 mm
wide (N = 1). Spatula quadridentate,
0.34 mm
long (n = 1), lateral teeth
0.05 mm
long,
mesal teeth
0.04 mm
long (N = 1) (
Fig. 8B
); four setose lateral papillae
0.01 mm
long of each side of spatula.