Morellia (Morellia) hortorum Fallen 1817
Creators: name: Pamplona, Denise
name: Nihei, Silvio S.
name: Couri, Márcia S.
name: Pont, Adrian C.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Muscidae
Morellia
Morellia hortorum

description: 18. Morellia (M.) hortorum (Fallén, 1817)
(Figs 64–70)
Musca hortorum Fallén, 1817: 252. Type locality: SWEDEN, probably Skåne province. Lectotype Ƌ, NHRS (des. Pont 1984: 286; seen).
Anthomyia hortorum Wiedemann, 1817: 83. [Junior secondary homonym, preocc. in Morellia by Musca hortorum Fallén, 1817.] Type locality: GERMANY, Schleswig-Holstein, Kiel district. Lectotype ♂, NHMW (des. Pont 1997: 98; seen).
Sarcophaga obscura Meigen, 1826: 32, plate 248, fig. 2. Type locality: not stated (GERMANY, probably Hamburg). Holotype Ƌ, not located in NHMW and presumed destroyed (Pont 1986b: 234).
Morellia agilis Robineau-Desvoidy, 1830: 405. Type locality: FRANCE, Saint-Sauveur. Syntypes, formerly in Robineau- Desvoidy collection, now destroyed (not MNHN; see Evenhuis et al. 2010).
Morellia horticola Robineau-Desvoidy, 1830: 405. Type locality: FRANCE, Saint-Sauveur. Syntypes, formerly in Robineau- Desvoidy collection, now destroyed (not MNHN; see Evenhuis et al. 2010).
Morellia concolor Robineau-Desvoidy, 1830: 406. Type locality: FRANCE, Saint-Sauveur. Syntypes, formerly in Robineau- Desvoidy collection, now destroyed (not MNHN; see Evenhuis et al. 2010).
Curtonevra caerulescens Macquart, 1834a: 12; 1834b: 148. Unjustified replacement name for Morellia horticola Robineau- Desvoidy, 1830.
Musca (Morellia) importuna Haliday, 1836: 149. Type locality: NORTHERN IRELAND, County Down, Holywood. Lectotype ♂, ZMHB (des. Pont & Werner 2006: 56; seen).
Anthomyia nitens Wiedemann in Gistel, 1857: 73. Unavailable name, published in synonymy with Musca hortorum Fallén [as " Anth. hortorum (nitens mihi) Fall."], and not validated subsequently. Locality: GERMANY, Hessen, Ofleiden: 1 Ƌ, NHMW (see Pont 1997: 106).
Cyrtoneura pilipes Rondani, 1862: 215. Type locality: ITALY, hills of the Parma province, Etruria and Brescia. Syntypes: ƋƋ, MZLS.
Alina pilipes Robineau-Desvoidy, 1863: 640. [Junior secondary homonym, preocc. in Morellia by Cyrtoneura pilipes Rondani, 1862.] Type locality: FRANCE, Paris district. Holotype/syntypes Ƌ, formerly in Robineau-Desvoidy collection, now destroyed (not MNHN; see Evenhuis et al. 2010).
Morellia setoaenescens Sychevskaya, 1963: 182. Nomen nudum; Zimin MS name, included in list of species from Karetigin (Gamsk) as " setoaenescens Zim. (in litt)". No material found in ZIN (Pont 2004: 90).
Redescription. Colour. Black, with grey pruinosity. Frontal vitta and upper half of fronto-orbital plate black; face and lower half of fronto-orbital plate, parafacial and antenna black with silver pruinosity; gena with grey pruinosity; palpus brown; mesonotum metallic black with one silver dusted central vitta along presutural acrostichals, postpronotal lobe, notopleuron and other pleura silver pruinose; legs dark brown; haltere with brown stalk and yellow knob; calypters yellowish-white, upper calypter on outer half white and opaque; wing without dark markings; abdomen with a shifting tessellated pattern and with silver pruinosity ventrally.
Male. Body length: 8.0–9.0 mm; wing length: 7.0–8.0 mm.
Head. Eyes bare but with the usual minute and scattered hairs, separated at level of anterior ocellus by 0.20– 0.25 of head width; frons divergent towards lunule; ocellar triangle with a pair of strong setae and many long setulae; 20–21 pairs of frontal setae; postpedicel about 1.3–1.6 times the length of pedicel; pedicel with 2 setae and few setulae; arista plumose, with 17–19 cilia, bare apicad, and with some secondary plumes as far as level of 4th to 6th cilia; vibrissa longer than arista; 1 strong supravibrissal seta, more than half the length of vibrissa, and many other long setulae that extend to level of middle of postpedicel; 6–7 subvibrissal setae followed by 7–8 genal setae.
Thorax. Acrostichals 0+1; dorsocentrals 3+4; intra-alars 1+1; presutural 1; prealar 1, weak; supra-alars 2; postpronotals 3; notopleuron with 2 long subequal setae and covered with ground-setulae; postalars 2; intrapostalar 1; scutellum with 1 basal, 1 latero-discal and 1 apical pairs of setae, and latero-ventrally with many setae, the basalmost ones downcurved; postalar wall bare; suprasquamal ridge bare; proepisternal depression bare; proepimeron with about 5 long setae and many setulae; prosternum broad and bare; anepisternum with a posterior row of about 10 setae, with 3–4 weak setae upcurved on upper-anterior corner, and covered with long setulae; katepisternals 1+2; anepimeron extensively setulose; katepimeron with 1 setula; anatergite bare; katatergite setulose. Legs: fore femur with a posterodorsal row of setae on apical two-thirds becoming shorter basad, a complete posteroventral row of setae, and some complete ventral rows of long, strong, also fine setae; fore tibia with a dorsal row of short setae on apical two-thirds, 3 strong and long posterior setae at middle, the lowermost one almost posteroventral, some fine and long posteroventral setae on apical half, the lowermost one stronger, a brushlike ctenidium of many fine setae on ventral surface, one anterodorsal and one dorsal preapical setae, and one posteroventral and one ventral apical setae; fore tarsus with about 4 setae at base and a golden brush ventrally; mid femur without a tubercle, with no anterior seta, an anterodorsal row of setae on basal two-thirds, a row of some short ventral setae on basal half, some strong and very short anterodorsal to dorsal setae and 7 stronger posterior to posterodorsal preapical setae; mid tibia with an anterodorsal comb-like row of short setulae on basal two-thirds, of which those in the apical third are more scattered and longer, with 3 short posterodorsals on middle third, 4 strong posterior setae on basal two-thirds, 1 strong posteroventral seta on apical third, one anterodorsal, one dorsal and one posterodorsal apical setae, one anteroventral, one posteroventral and one ventral apical setae; hind femur with an anteroventral row of setae, strongest on apical third, an anterodorsal row of setae, a group of posterior setulae at base, 4–5 posterior setae on apical third, and few posteroventral setulae on apical fourth; hind tibia with about 7–10 short and subequal anteroventral setae on apical half, an anterodorsal row of short and strong setae on basal half, with one stronger seta at middle, a dorsal row of short but strong setulae, 1 strong and long posterodorsal seta on apical third, 2–4 long posterior setae on basal third, 1 anterodorsal, 1 dorsal and 1 posterodorsal preapical setae, and 1 anteroventral and no posteroventral apical setae; hind tarsus without modifications in shape or bristling. Wing with a uniform covering of microtrichia; dm-cu almost sinuous; stem-vein bare on dorsal surface, and ventrally with about 2 short setulae before humeral cross-vein and bare after humeral cross-vein; R2+3 bare on dorsal and ventral surfaces; R4+5 setulose from base to halfway or almost all the way to r-m on dorsal surface and at base or basal third on ventral surface; 5–6 strong setae on basicosta.
Abdomen. With lateral tufts of setulae; tergites 4 and 5 with long setae apically; sternite 1 setulose; posterior margin of sternite 5 concave and with a few setae on membrane (Fig. 64).
Terminalia. Outer middle third of cercal plate not convex; cercal plate with some spines ventrally; surstylus with some short setulae and 2 longer setae (Figs 65–67); aedeagus with spicules on anterior membrane of distiphallus; gonopod with 2 long and strong setae on basal third and one seta apically; paramere with many setae apically and some setulae on middle third (Fig. 68).
Female. Body length: 7.0– 7.5 mm; wing length: 6.0–7.0 mm.
Similar to male, differing as follows: eyes separated at level of anterior ocellus by 0.44–0.46 of head width; fronto-orbital plate with 3–4 proclinate and 1 reclinate setae; about 10–11 frontal setae; fore femur without ventral rows, instead with a brush of strong and short setulae on ventral surface; fore tibia with a row of strong ventral setulae, without the posterior and posteroventral setae; mid femur with weaker posteroventral setae, without anterodorsal to dorsal and with 4 posterodorsal to posterior preapical setae; mid tibia without the anteroventral comb; hind femur with weaker setae, about 3 posterior setulae at base; with 4 anterodorsal setae, the middle one stronger.
Ovipositor. Tergite 6 rod-like and shaped as 2 anchors, posteriorly with setae and 2 plates with setae; tergite 7 rod-like, anteriorly curved, posteriorly with 2 plates with many setulae; tergite 8 like 2 broad rods, posteriorly with 2 plates with setae; sternite 6 a single rod, posteriorly with 1 plate with setae; sternite 7 a single rod, posteriorly with 3 plates with many setae; sternite 8 with 2 rods, posteriorly with 2 small plates with setae; epiproct with 4 setae; hypoproct longer than broad with many setae; cercus cylindrical and long (Figs 69–70).
Material examined. SWEDEN: probably Skåne province, lectotype Ƌ of Musca hortorum Fallén (NHRS); Västmanland, Nora District, 1km NW Sund, 21.vi.1986, A. C. Pont, 1 Ƌ and 1 ♀ (BMNH); GERMANY: Schleswig-Holstein, Kiel district, lectotype Ƌ of Anthomyia hortorum Wiedemann (NHMW); Hessen, Ofleiden, 1 Ƌ, as “ Anthomyia nitens Wiedemann ” (NHMW); NORTHERN IRELAND: County Down, Holywood, lectotype Ƌ of Musca importuna Haliday (ZMHB); GEORGIA: Greater Caucasus Mts, Kazbegi, 5.vii.1983, A.C. Pont, 1 Ƌ (BMNH); AUSTRIA: Lower Austria, Wienerwald, Kaltenleutgeben, 25.vii.1981, A.C. Pont, 1 ♀ (BMNH).
Distribution. PALAEARCTIC: throughout the region, from Sweden to Spain, east to China and Japan (Hokkaïdo).
description: Published as part of 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, pp. 1-110 in Zootaxa 4163 (1) on pages 44-47, DOI: 10.11646/zootaxa.4163.1.1, http://zenodo.org/record/259278