Two new species of Asphondylia Loew, 1850 (Diptera, Cecidomyiidae) on Asteraceae from Brazil
Author
Maia, Valéria Cid
Author
Mendonça, Milton de Souza
Author
Mascarenhas, Bernardo José de Araújo
text
Papéis Avulsos de Zoologia
2023
2023-07-05
63
1
12
https://www.revistas.usp.br/paz/article/view/210642
journal article
10.11606/1807-0205/2023.63.024
1807-0205
8135305
Asphondylia gaucha
Maia
,
sp. nov.
(
Figs. 1-4
)
Diagnosis:
Male hypoproct deeply bilobed; ovipositor with needle part 2.0-2.2 X length 7
th
sternite; pupa: antennal horn with apical part 1.5 X length of basal part, upper frontal horn simple, 0.2 X length of antennal horn, lower frontal horn tridentate, 0.1 X length of antennal horn, teeth not aligned, lateral teeth conspicuously above mesal tooth, 8
th
abdominal segment with 8-9 dorsal spines in the posterior row.
Male:
Body:
3.20-4.60 mm
long (n = 5).
Head
(
Fig. 1A
): globoid,
0.55-0.65 mm
long
0.55-0.65 mm
wide (n = 5), eye facets hexagonal, closely appressed; antennae: flagellomeres 1 and 2 not fused, scape truncated conical, setose,
0.14 mm
long,
0.07 mm
wide (n = 3), pedicel globose, setose,
0.07-0.075 mm
long,
0.06-0.065 mm
wide (n = 3), 1
st-
11
th
flagellomeres cylindrical, 12
th
conical (
Fig. 1B
), circumfila longitudinally wavy (
Fig. 1C
), proportion flagellomere neck-node: 1:10.5; frons with 26-32 (N = 5); mouth parts: labrum long-attenuate,
0.06-0.08 mm
long,
0.05-0.06 mm
wide (N = 5); hypopharynx of the same shape of labrum, with long lateral setulae, anteriorly directed,
0.22 mm
long,
0.05-0.06 mm
wide; labella elongate and convex,
0.08-0.10 mm
long,
0.03-0.05 mm
wide (N = 1), with lateral and mesal setae; palpus
0.21-0.25 mm
long (N = 5): 1
st
segment globoid, 2
nd
and 3
rd
segments cylindrical, all segments with setae.
Thorax:
scutum with two dorsocentral rows of setae, setae more abundant anteriorly, and irregular group of lateral row of setae on each side, scales intermixed; scutellum with scattered setae;anepimeron setose and anepisternum setose;remaining pleural sclerites bare.Legs:first tarsomere of each leg with an apical hook-like projection
0.03 mm
long (N = 14) (
Fig. 1D
), tarsal claws curved beyond midlength, isomorphic, empodium shorter than claws (
Fig. 1E
); wing: length
2.90-3.20 mm
(N = 5) (
Fig. 1F
).
Abdomen
(
Fig. 2A
): 1
st-
7
th
tergites sclerotized, rectangular with a posterior row of setae, few lateral setae, mostly covered elsewhere with scales, and basal pair of trichoid sensillae;8
th
tergite band-like with basal pair of trichoid sensillae as vestiture; 2
nd-
8
th
sternites sclerotized, rectangular,2
nd-
7
th
sternites with a posterior row of setae, several setae at midlength and laterally, mostly covered elsewhere with scales, and basal pair of trichoid sensillae; 8
th
sternite entirely covered with setae, more abundant posteriorly, mostly covered elsewhere with scales and basal pair of trichoid sensillae. Terminalia (
Figs. 2B
): gonocoxite short and stout,
0.15-0.18 mm
long,
0.10 mm
wide (N = 4), gonostylus spherical,
0.06-0.07 mm
long,
0.06-0.07 mm
wide (N = 4), teeth
0.01 mm
long,
0.03 mm
wide (N = 2), hypoproct deeply bilobed, lobes conical; cercus rounded at apex; aedeagus conical.
Female:
Body length:
4.10-4.50 mm
(n = 4).
Head:
0.60 mm
long,
0.60-0.70 mm
wide (n = 4), eye facets hexagonal, closely appressed;antennae:scape
0.14-0.16 mm
long,
0.07 mm
wide (n = 3), pedicel
0.06-0.08 mm
long,
0.07-0.08 mm
wide (n = 3), 1
st-
11
th
flagellomeres cylindrical, 12
th
spheroid (
Fig. 3A
), circumfila comprising two longitudinal bands connected sub basally and apically by two transverse bands (
Fig. 3B
); 27-30 frontal setae; mouthparts: labrum
0.10-0.11 mm
long,
0.06 mm
wide (n = 2), hypopharynx
0.16-0.18 mm
long,
0.06 mm
wide (n = 2), labellum
0.09-0.10 mm
long,
0.04 mm
wide at midlength (n = 2), palpus
0.27-0.29 mm
long (n = 2): 1
st
segment globose, 2
nd
segment cylindrical, 3
rd
segment claviform.
Thorax:
apical projection of first tarsomere with
0.04 mm
long (N = 4) (
Fig. 3C
); tarsal claws more robust than in male (
Fig. 3D
); wing length: 4.00-
4.10 mm
(N = 3) (
Fig. 3E
).
Abdomen
(
Fig. 3F
): 1
st-
8
th
tergites sclerotized, 1
st-
7
th
tergites rectangular with a posterior row of setae, few lateral setae, basal pair of trichoid sensillae and mostly covered elsewhere with scales, 8
th
tergite with distal margin with lobes
0.16-0.17 mm
long (N = 3), 2
nd-
6
th
sternites as in male; 7
th
sternite
0.57-0.67 mm
long, 1.75-1.9 X length sternite 6 (N = 2), setose (except basally), setae more abundant distally, and mostly covered elsewhere with scales; sternite 8 not sclerotized; ovipositor: needle part
1.25-1.35 mm
long, 2.0-2.2 X length sternite 7 (n = 2). Other characters as in male.
Pupa (
Fig. 4A
):
Color: brownish. Body length:
3.95-4.70 mm
(N = 2).
Head
(
Fig. 4B
): dorsal plate
0.65 mm
long,
0.15 mm
wide (n = 1); face with lateral projection; antennal horn triangular,
0.37-0.38 mm
long (N = 3), apical part 1.5 X length of basal part, inner margin serrated; apical seta
0.06 mm
long, 0.66 X wide of antennal flagellomere (N = 1); upper facial horn simple, triangular,
0.07 mm
long (N = 3), as long as width of basal flagellomere; lower facial horn tridentate,
0.03 mm
long (N = 3), 0.1 X length of antennal horn, teeth triangular, not aligned, lateral teeth conspicuously above mesal tooth; 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:
integument wrinkly (
Fig. 4C
), prothoracic spiracle short,
0.08 mm
long, setiform, curved (N = 3).
Abdomen
(
Fig. 4D
): segments 2-8 with transverse rows of crescent dorsal spines; posterior row with 16-25 spines in the 2
nd
segment,
21-26 in
the 3
rd
,
21-26 in
the 4
th
,
21-25 in
the 5
th
,
20-25 in
the 6
th
,
14-19 in
the 7
th
and
8-9 in
the 8
th
(N = 4).