Morellia (M.) atrisquama Malloch, 1935

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 : 20

publication ID

https://doi.org/ 10.11646/zootaxa.4163.1.1

publication LSID

lsid:zoobank.org:pub:930AF345-15AD-443A-A3AE-328178ECB6C9

DOI

https://doi.org/10.5281/zenodo.4547382

persistent identifier

https://treatment.plazi.org/id/5F52879A-491E-FFC4-A295-19B9FBE6F8E6

treatment provided by

Plazi

scientific name

Morellia (M.) atrisquama Malloch, 1935
status

 

4. Morellia (M.) atrisquama Malloch, 1935 View in CoL

( Figs 19–20 View FIGURES 19 – 20 )

Morellia atrisquama Malloch, 1935: 573 View in CoL . Type locality: SABAH, Mt. Kinabalu , Kenokok . Holotype ♀, BMNH (seen).

Redescription. Colour. Black, with grey pruinosity. Frontal vitta and fronto-orbital plate black; face, parafacial and gena black with silver pruinosity; antenna dark brown with grey pruinosity; palpus brown, mesonotum black with a silver-dusted central vitta in front of the acrostichals; postpronotal lobe, notopleuron and anepisternum silver pruinose; scutellum silver laterally; legs dark brown; haltere yellow; calypters brownish; wing without dark markings; abdomen black with last tergite silver pruinose.

Female. Body length. 8.0 mm; wing length: 7.0–8.0 mm.

Head. Eyes bare, separated at level of anterior ocellus by about 0.29 of head width; frons divergent towards lunule; ocellar triangle with a pair of setae and few setulae; with 3 proclinate and 2 reclinate setae; 15 pairs of frontal setae, about 5 or 6 much shorter than the others; 5–6 fronto-orbitals; postpedicel about 2.0–2.3 times the length of pedicel; pedicel with 2 setae; arista plumose, with 29–30 cilia, bare apicad, with some secondary plumes as far as level of 9th to 11th cilia; vibrissa shorter than arista, 2–3 strong supravibrissal setae, half as long as vibrissa, and some other setulae that extend to level of basal fourth of postpedicel; 5–6 subvibrissal setae followed by 7–8 genal setae and other shorter ones.

Thorax. Acrostichals 0+2; dorsocentrals 2+4; intra-alars 1+1; presutural 1; prealar 1, half the length the first supra-alar; supra-alars 2; postpronotals 3; notopleuron with 2 long, subequal setae and covered with groundsetulae; postalars 2; intrapostalar 1; scutellum with 1 basal, 1 latero-discal and 1 apical pairs of setae, and lateroventrally with many setae, the basalmost ones downcurved; postalar wall bare; suprasquamal ridge bare; proepisternal depression bare; proepimeron with 3 long setae (the lower one shorter) and many setulae; prosternum broad and setulose; anepisternum with a posterior row of about 7 setae, with 4 weak setae upcurved on upperanterior corner, covered with short setulae; katepisternals 1+2; anepimeron setulose medially and on subalar ridge; katepimeron bare; anatergite bare and katatergite setulose. Legs: fore femur with a posterodorsal row of setae, longer on apical half, and a complete posteroventral row of setae; fore tibia with a dorsal and an anteroventral preapical setae, and anterior surface with a ctenidium of golden setulae; mid femur without a tubercle, with 1 anterior seta on middle third, 4 ventral setae on basal half, anteroventral setulae, and 6 posterior to posterodorsal preapical setae, the 2 first weaker; mid tibia with 3 strong posteroventral setae on basal two-thirds, and a posterior row of short setae, 4 or 5 of which longer, 1 preapical seta and 2 anteroventral, 1 anterior and 2 ventral apical setae; hind femur with a complete anterodorsal row of setae and with an anteroventral row of fine setae on apical half, a weak posterior tuft at base, a row of weak setae on basal half, and few posteroventral setulae on apical fourth; hind tibia with 3 anteroventral setae on apical third, a dorsal row of setae, about 4 of which stronger, a posterodorsal row of setae, the median and basal ones longer, 1 dorsal and 1 anterodorsal preapical setae, and 1 anteroventral, 2 ventral and no posteroventral apical setae; hind tarsus with a golden brush ventrally. Wing with a uniform covering of microtrichia; dm-cu almost straight, stem-vein bare on dorsal surface, and ventrally with about 9 short setulae before the humeral cross-vein; R2+3 bare on dorsal and ventral surfaces; R4+5 with strong setulae on dorsal surface from base to r-m, and from base to two-thirds to r-m on ventral surface; 3 strong setae on basicosta.

Abdomen. With few setae; sternite 1 setulose.

Ovipositor. Tergite 6 rod-like with 3 groups of very small spines; tergite 7 rod-like with 5 strong curved spines posteriorly; tergite 8 sinuous, rod-like, broadened posteriorly; enlarged spicules on intersegmental membrane between segments 6–7 and 7–8; sternite 6 small, rod-like; sternite 7 rod-like with 3 plates posteriorly, each with strong curved spines; sternite 8 very small with very small spines; epiproct large, with 4 very small spines; hypoproct with many setae; cercus flattened and not long ( Figs 19–20 View FIGURES 19 – 20 ).

Male. Unknown.

Material examined. SABAH: Mt. Kinabalu, Kenokok , 3,300 ft., 22.iv.1929, H.M. Pendlebury, holotype Ƌ ( BMNH) ; same locality, 22–26. iv.1929, 2 ♀ paratypes ( BMNH) .

Distribution. ORIENTAL: known only from Sabah on the island of Borneo.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Muscidae

Genus

Morellia

Loc

Morellia (M.) atrisquama Malloch, 1935

Pamplona, Denise, Nihei, Silvio S., Couri, Márcia S. & Pont, Adrian C. 2016
2016
Loc

Morellia atrisquama

Malloch 1935: 573
1935
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