Asphondylia marambaiensis Maia, 2024

Maia, Valéria Cid, 2024, Five new species of Asphondylia (Diptera, Cecidomyiidae, Asphondyliini) from Brazilian restinga (Atlantic Forest), Papéis Avulsos de Zoologia 64, pp. 1-30 : 15-19

Asphondylia marambaiensis Maia , sp. nov. ( Figs. 12 A-14F)

Diagnosis: Male hypoproct rounded apically, deeply bilobed, ovipositor with needle part about 1.13-1.16 × length 7 th sternite; pupa: antennal horn 0.23-0.29 mm long, upper facial horn single and conical, three lower frontal horns aligned, 8 th abdominal segment with 6-9 dorsal spines in the posterior row.

Male: Body length: 3.50-3.65 mm long (N = 2). Head: 0.50 mm long, 0.50 mm wide (N = 2), eye facets circular, closely appressed; antennae: flagellomeres 1 and 2 not fused, scape obovate, setose, 0.12 mm long, 0.07 mm wide (N = 2), pedicel globose, setose, 0.07 mm long, 0.06 mm wide (N = 2), 1 st- 12 th flagellomeres cylindrical, all 0.05 mm wide, circumfila longitudinally wavy, dense, anastomosing, equally spread along segments ( Fig. 12A ), 1 st flagellomere 0.25-0.26 mm long (N = 2), 2 nd flagellomere 0.22-0.23 mm long (N = 2), 3 rd- 4 th flagellomeres 0.20-0.21 mm long (N = 2), 5 th- 6 th flagellomeres 0.20-0.22 mm long (N = 2), 7 th flagellomere 0.20-0.23 mm long (N = 2), 8 th flagellomere 0.20-0.22 mm long (N = 2), 9 th flagellomeres 0.20-0.21 mm long (N = 2), 10 th flagellomere 0.19 mm long (N = 2), 11 th flagellomere 0.18-0.19 mm long (N = 2), 12 th flagellomere 0.17 mm long (N = 2); proportion flagellomere neck-node 1:10; frons with 25 setae (N = 1); mouthparts: labrum, hypopharynx and labella kneaded; palpus ( Fig. 12B ) 0.18-0.19 mm long: 1 st segment globoid, 0.02 mm long, 0.02 mm wide (N = 2), 2 nd segment cylindrical, 0.05 mm long, 0.02 mm wide, 3 rd segment fusiform, 0.11-0.12 mm long, 0.02 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 anteriorly, extending from base to distal margin, scales intermixed; scutellum with scattered setae; anepimeron setose; remaining pleural sclerites bare; legs: tarsal claws curved beyond midlength, isomorphic, empodium as long as claws ( Fig. 12C ); wing: length 2.70 mm (N = 1). Abdomen ( Fig. 12D ): 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, 1 st tergite shorter than other tergites, ⅓ × length of 2 nd tergite, 8 th tergite band-like, bare; 2 nd- 8 th sternites more sclerotized than tergites, rectangular, as long as tergites, with a posteri- or row of setae, several setae and midlength, few lateral setae, and mostly covered elsewhere with scales; 8 th sternite with scattered setae and mostly covered elsewhere with scales. Terminalia ( Fig. 12E ): gonocoxite short and stout, 0.14-0.16 mm long, 0.07-0.08 mm wide (N = 2); gonostylus ovoid, 0.05 mm long, 0.05 mm wide; hypoproct deeply bilobed, rounded apically.

Female: Body length: 4.00- 4.50 mm (N = 3). Head ( Fig. 13A ): 0.45-0.55 mm long, 0.50-0.55 mm wide (N = 3), facets circular, antennae: scape 0.13-0.14 mm long, 0.05-0.08 mm wide (N = 3), pedicel 0.07-0.08 mm long, 0.07-0.08 mm wide (N = 3), 1 st- 10 th flagellomeres cylindrical, all 0.05 mm wide, circumfila comprising two longitudinal bands connected subbasally and apically by two transverse bands ( Fig. 13B ), 1 st flagellomere 0.28-0.31 mm long (N = 3), 2 nd flagellomere 0.22-0.25 mm long (N = 3), 3 rd flagellomere 0.21-0.23mm long (N =3),4 th flagellomere 0.21-0.24 mm long (N = 3), 5 th flagellomere 0.22-0.24 mm long (N = 3), 6 th flagellomere 0.21-0.24 mm long (N = 3), 7 th flagellomere 0.22-0.23 mm long (N = 3), 8 th flagellomere 0.20-0.22 mm long, 9 th flagellomere 0.16-0.18 mm long, 10 th flagellomere 0.10-0.13 mm long, 11-12 th flagellomeres 0.06-0.07 mm long ( Fig. 13C ), proportion flagellomere neck-node 1:11; mouthparts: labrum 0.08-0.10 mm long, 0.035 mm wide (N = 1), hypopharynx 0.14 mm long, 0.035 mm wide (N = 1), labellum 0.06-0.07 mm long, 0.03 mm wide at midlength (N = 2), palpus 0.24 mm long (N = 3): 1 st segment globose 0.03 mm long and 0.03-0.04 mm wide (N = 3), 2 nd segment cylindrical 0.05 mm long, 0.03 mm wide at midlength (N = 3), 3 rd segment ellipsoidal, 0.16 mm long, 0.025-0.03 mm wide at midlength (N = 3). Thorax: wing length: 2.80-3.10 mm (N = 3) ( Fig. 13D ). Abdomen ( Fig. 13E ): trichoid sensillae not visible, 1 st- 7 th tergites as in male, 8 th tergite with posterior margin with lobes 0.12-0.14 mm long (N = 3), 2), sternites 2 nd- 6 th sternites as in male, 6 th sternite 0.35-0.39 mm long (N = 2), 7 th sternite 0.56-0.59 mm long, 1.51-1.60 × length of 6 th sternite, setose,mostly covered elsewhere with scales;sternite 8 not sclerotized; ovipositor: needle part 1.13-1.16 mm long, 1.16-2.02 × length sternite 7 (N = 2). Other characters as in male.

Pupa ( Fig. 14A ): Color: brownish. Body length: 3.50-4.00 mm (N = 4). Head ( Fig. 14B ): dorsal plate 0.43 mm long, 0.17 mm wide (N = 2), antennal horn 0.23-0.29mm long(N = 3),conical,rounded apically,inner margin serrated, distal part shorter than basal part; apical seta 0.025 mm long (N = 1); antennal width 0.08 mm (N = 3), one upper facial horn conical, 0.04 mm long (N = 3); three lower facial horns aligned, 0.03 mm long (N = 3); 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,face with lateral projection. Thorax: prothoracic spiracle 0.11-0.13 mm long (N = 4), 1.37-1.62 × antennal width, setiform, conspicuously curved (N = 2) ( Fig. 14C ), integument wrinkled ( Fig. 14D ). Abdomen ( Fig. 14E ): segments 2-8 with transverse rows of crescent dorsal spines at basal half; posterior row with 11-15 spines in the 2 nd segment, 13-16 in the 3 rd, 12-16 in the 4 th, 11-17 in the 5 th, 10-17 in the 6 th, 9-12 in the 7 th and 6-9 in the 8 th.

Figures

Figure 12.Asphondylia marambaiensis Maia,sp.nov.,male:(A) 5th flagellomere,(B) Palpus,(C) Midleg,tarsal clawand empodium,lateral view,(D)5th abdominal segment-terminalia,ventral view,(E)Terminalia,dorsal view.

Figure 13. Asphondylia marambaiensis Maia, sp. nov., female: (A) Head, ventral view, (B) 5th flagellomere, (C) 10th-12th flagellomeres, (D) Wing, (E) Abdomen, lateral view.

Figure 14. Asphondylia marambaiensis Maia, sp. nov., (A-E) pupa: (A) General aspect, ventral view, (B) Cephalic horns, ventral view, (C) Prothoracic spiracle, (D)Thoracic integument,dorsal view,(E) Abdomen,dorsal view,(F) Leaf galls on Lantana fucata Lindl.(Verbenaceae).