Morellia (P.) dendropanacis Pamplona & Couri, 1995

Pamplona, Denise, Nihei, Silvio S., Couri, Márcia S. & Pont, Adrian C., 2016, Taxonomy of Morellia Robineau-Desvoidy (Diptera: Muscidae): revision of the subgenera Morellia s. str. and Parapyrellia Townsend, Zootaxa 4163 (1), pp. 1-110 : 93-94

1. Morellia (P.) dendropanacis Pamplona & Couri, 1995 , subgen. comb. nov.

(figs 1–11 in Pamplona & Couri 1995)

Morellia dendropanacis Pamplona & Couri, 1995: 451 . Type locality: BRAZIL, São Paulo, Campinas , Fazenda Santa Genebra. Holotype Ƌ, MNRJ (seen).

Redescription. Colour. Black, with blue reflections. Frontal vitta and fronto-orbital plate shining black with grey pruinosity on upper half, face and parafacial black with grey pruinosity, mouth margin yellowish-brown, gena brown; antenna yellowish-brown, basal half of arista yellow; palpus yellow; mesonotum metallic black with a slight blue reflection and with one silver-dusted central vitta in front of the acrostichals; legs brown; haltere white; calypters faintly brownish, with brownish edge, upper calypter on outer half white and opaque; wing with dark markings on humeral crossvein, on the adjacent area of basal radial cell, on subcostal apex connected to a spot on rm, on apex of r1 cell and on cross-vein dm-cu. Abdomen without pruinosity.

Male. Body length: 4.5–5.0 mm; wing length: 4.5–5.0 mm.

Head. Eyes bare, separated at level of anterior ocellus by 0.16–0.19 of head width; frons divergent towards lunule; ocellar triangle with a pair of setae and a few setulae; 11–13 weak pairs of frontal setae; postpedicel 1.8–2.2 times the length of pedicel; pedicel with 2 setae and a few setulae; arista plumose, with 11–14 cilia, bare apicad, and with no secondary plumes; vibrissa shorter than arista; 1 supravibrissal seta, less than half the length of vibrissa, and few setulae that extend to level of middle of postpedicel; 4–6 subvibrissal setae followed by 8–10 genal setulae. Palpus expanded at apex.

Thorax. Acrostichals 0+1; dorsocentrals 0+2 (weak); intra-alars 1+1; presutural 1; prealar 1, longer than first supra-alar; supra-alars 3; postpronotals 3; notopleuron with 2 long, subequal setae and covered with groundsetulae; postalars 2; no intrapostalar; scutellum with 1 basal, 1 latero-discal and 1 apical pairs of setae, and lateroventrally with many setae, the basalmost ones downcurved; postalar wall and suprasquamal ridge bare; proepisternal depression with short setulae; proepimeron covered with white ground-setulae and several white fine setulae; prosternum broad and bare; anepisternum with a posterior row of about 12 setae, without upcurved setae on upper-anterior corner, and covered with long, white setulae; katepisternals 1+2 and katepisternum with long white setulae; anepimeron extensively setulose with setae short on anterior half and long on posterior half; katepimeron bare with some pile; anatergite bare; katatergite setulose. Legs: fore femur with a posterodorsal row of setae on apical two-thirds, a complete posteroventral row and a posterior row of setae on basal two-thirds; fore tibia with 5–7 long posteroventral setae and many setulae on apical half, 1 dorsal and 1 posterodorsal preapical setae, and anterior surface with a ctenidium of golden setulae; fore tarsus with some long setae on basal segment; mid femur with a tubercle at apex of anterodorsal to dorsal surfaces bearing about 3 agglutinated short spines that continue as a row on posterior to posteroventral surfaces, an excavation at apex of ventral surface, 4 oblique anterior subapical setae, and no ventral setae; mid tibia with an anterodorsal comb-like ctenidium of very short spinose setulae on basal half and fine setae on apical half, 3 strong setae on posterior surface, and 3 anteroventral, 1 anterodorsal, 1 dorsal, 2 posteroventral and 1 ventral apical setae; hind femur with an anteroventral row of setae, an anterodorsal row of setae on basal two-thirds, about 5 weak posteroventral setae on apical fourth, and 2 dorsal preapical setae; hind tibia with 6–7 long and weak anteroventral setae on apical third, anterodorsal surface with 2 setae on basal third, 1 on middle third and 1 on apical third, posterior surface with 1 weak seta on middle third, a dorsal row of short but strong setae, posteroventral surface with 7–8 long setulae on apical third that continue with many setulae as far as the anteroventral setae, with 1 dorsal and 1 anterodorsal preapical setae, 1 anteroventral and 2 weak posteroventral apical setae, and a posterior brush-like ctenidium; hind tarsus with strong setae ventrally. Wing with a uniform covering of microtrichia; dm-cu straight; stem-vein bare before, and with 5 short setulae after, humeral cross-vein on dorsal surface, and ventrally with about 3 short setulae before, and bare after, humeral crossvein; R2+3 bare on dorsal and ventral surfaces; R4+5 setulose from base to beyond r-m on dorsal surface and bare on ventral surface.

Abdomen. With a lateral tuft of setulae on syntergite 1+2, tergites 3–5 with normal setulae; sternite 1 setulose; posterior margin of sternite 5 deeply concave and with setae; basal half bare.

Terminalia (figs 2–8 in Pamplona & Couri 1995). Outer middle third of cercal plate slightly convex; cercal plate curved anteriorly; surstylus with about 4 setulae on apical half; aedeagal apodeme narrowed apically; aedeagus with spicules on anterior membrane of distiphallus; gonopod with a long and strong seta on basal third; paramere with some setae apically.

Female. Body length. 4.5–5.0 mm; wing length: 4.5–5.0 mm.

Similar to male, differing as follows: lower half of face reddish, frontal plate with white pruinosity beside reddish area, and gena brownish-yellow; eyes separated at level of anterior ocellus by 0.32–0.38 of head width; fronto-orbital plate with 4–5 proclinate setae and 2 reclinate setulae; fore tibia without posteroventral setae; mid femur without a tubercle and with only 2 posterodorsal to posterior preapical setae; hind tibia with no posteroventral setae and with only 2 anteroventral setae on middle third.

Ovipositor (figs 9–11 in Pamplona & Couri 1995). Tergite 6 shaped as 2 golf-club-like rods, posteriorly with 6 setulae; tergite7 as 2 rods, anteriorly enlarged, posteriorly with 2 plates with spines; tergite 8 as 2 rods, posteriorly with 2 plates with strong spines; sternite 6 with 6 setulae; sternite 7 as 3 plates with setae; sternite 8 as 2 plates with setae; enlarged spicules on intersegmental membrane between segments 7 and 8; epiproct with many setae; hypoproct longer than broad with many setae; cercus cylindrical and long.

Material examined. BRAZIL: São Paulo, Campinas, Fazenda Santa Genebra , 3.vii.1992, E. Pombal, holotype Ƌ, 1 Ƌ paratype and 2 ♀ paratypes ( MNRJ) .

Distribution. NEOTROPICAL: Brazil (São Paulo).