Asphondylia gaucha Maia &amp; Mendonça &amp; Mascarenhas 2023, sp. nov.
Creators: name: Maia, Valéria Cid
name: Mendonça, Milton de Souza
name: Mascarenhas, Bernardo José de Araújo
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Cecidomyiidae
Asphondylia
Asphondylia gaucha

description: <i>Asphondylia gaucha</i> Maia, sp. nov. <b>(Figs. 1-4)</b> <b>Diagnosis:</b> 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. <b>Male:</b> Body: 3.20-4.60 mm long (n = 5). <b>Head</b> (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. <b>Thorax:</b> 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). <b>Abdomen</b> (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. <b>Female:</b> Body length: 4.10-4.50 mm (n = 4). <b>Head:</b> 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. <b>Thorax:</b> 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). <b>Abdomen</b> (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. <b>Pupa (Fig. 4A):</b> Color: brownish. Body length: 3.95-4.70 mm (N = 2). <b>Head</b> (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. <b>Thorax:</b> integument wrinkly (Fig. 4C), prothoracic spiracle short, 0.08 mm long, setiform, curved (N = 3). <b>Abdomen</b> (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).
description: Published as part of <i>Maia, Valéria Cid, Mendonça, Milton de Souza &amp; Mascarenhas, Bernardo José de Araújo, 2023, Two new species of Asphondylia Loew, 1850 (Diptera, Cecidomyiidae) on Asteraceae from Brazil, pp. 1-12 in Papéis Avulsos de Zoologia 63</i> on page 2, DOI: 10.11606/1807-0205/2023.63.024, http://zenodo.org/record/8135305