Maabella stomalata

Hastriter, Michael W. & Bush, Sarah E., 2006, Maabella gen. nov. (Streblidae: Ascodipterinae) from Guangxi Province, China and Vietnam with notes on preservation of Ascodipterinae, Zootaxa 1176, pp. 27-40: 33-35

publication ID

10.5281/zenodo.2645901

publication LSID

lsid:zoobank.org:pub:D9028DF0-38A6-4BF1-AF0D-BF3EF7B603CE

persistent identifier

http://treatment.plazi.org/id/03D9D968-FFAF-FFA4-FEFC-FA73FDCFF8CA

treatment provided by

Plazi

scientific name

Maabella stomalata
status

sp. nov.

Maabella stomalata  sp. nov.

Material examined

Holotype, dealate female: Vietnam: Tuyen Quang Province, Na Hang Nature Reserve , (22°20'N, 105°25'E), ex. R. paradoxalophus  ( ROMAbout ROM no. 107647), 17–19 V 1997, J. Eger, B. Lim, and L. Mitchell ( ROMAbout ROM).GoogleMaps 

Paratypes: China: Guangxi Province, Jing Xin County Provincial Nature Reserve , (978 m), (23°12'N, 105°09'E), ex. R. affinis  ( ROMAbout ROM no.s 116035, 116084, 116085, 116089, and116092), 20 IX 2004, S. Bush (3♀ and 1 prepupa MWH; 7 ROMAbout ROM)GoogleMaps  ; same data except 3 X 2004, ( ROMAbout ROM no.s 116141 and 116142) (2♀ ROMAbout ROM)GoogleMaps  ; same data except ex. R. macrotis  ( ROMAbout ROM no. 116115), 2 October 2004 (2♀ MWH, 1♀ ROMAbout ROM)GoogleMaps  ; Shiwandashan National Nature Preserve , ex. R. affinis  ( ROMAbout ROM no.s 116404 and 116399), 20 IV 2005, S. Bush (2♀ NMNHAbout NMNH, 1 ROMAbout ROM)  . Vietnam: Tuyen Quang Province, Na Hang Nature Reserve , (22°20'N, 105°25'E), ex. R. macrotis  ( ROMAbout ROM no. 107635), 16 V 1997, J. Eger, B. Lim, and L. Mitchell (2 ROMAbout ROM)GoogleMaps  .

Other Material Examined

China: Guangxi Province, Jing Xin County Provincial Nature Reserve , (978 m), (23°12'N, 105°09'E), ex. R. affinis  ( ROMAbout ROM no. 116089 and 116035), 20 IX 2004, S. Bush [1♀ DNA, 1 prepupa MWH; 1♀ mounted on stub for SEM, see Hastriter et al. (2006), ROMAbout ROM]GoogleMaps  . Vietnam: Tuyen Quang Province, Na Hang Nature Reserve , (22°20'N, 105°25'E), ex. R. paradoxalophus  ( ROMAbout ROM no.s 107647 and 107669), 17–19 V 1997, J. Eger, B. Lim, and L. Mitchell, (genital apertures of 3♀ ROMAbout ROM); same data except ex. R. macrotis  ( ROMAbout ROM no. 107635), 16 V 1997, J. Eger, B. Lim, and L. Mitchell [1♀ mounted on stub for SEM, see Hastriter et al. (2006), ROMAbout ROM]GoogleMaps  .

Diagnosis

Setae on the gena, pleural sclerites, scutum, and lateral vertices are long and slender (longer that diameter of spiracle on mesopleuron); structures without peg­like spiniform setae. Protrochanter and mesotrochanter with a parallel tuft­like apical group of long setae. Sternites without setae.

Description Characters are a composite of the dealate female holotype and paratypes. Head: Labial theca laterally expanded at apex, both dorsal and ventral; bearing pale short,

sparsely scattered spiniform setae dorsolaterally, some extending onto ventral surface ( Figs. 1View FIGURE 1 A–B). Ventral surface with many fine, long setae scattered on anterior half. Theca bulged ventrally at base in lateral aspect. Twelve complex cheliceral blades (four dorsal and four ventral medially fixed); two laterals (one dorsal, one ventral each side). E pipharynx (labial gutter) with laterally expanded sclerotizations posterior to cheliceral blades ( Figs. 1View FIGURE 1 A–B). Clypeus horseshoe­shaped; vinculum heavily sclerotized, C­shaped plate ( Fig. 1DView FIGURE 1). Frons expanded laterally; anterior margin gently convex, posterior margin darkly sclerotized ( Figs. 1CView FIGURE 1, 2BView FIGURE 2). Antenna of two segments; arista multi­branched apically, arising from globular second segment. Lateral vertex wider than long, 9–12 long setae directed anteriorly on anterior half ( Fig. 2BView FIGURE 2). Gena broadly rounded dorsally, with 9–10 slender setae on dorsal half ( Figs. 1CView FIGURE 1, 2AView FIGURE 2); genae fused at ventor ( Fig. 1DView FIGURE 1). Thorax: Scutum with many slender lateral and posterior setae, central area devoid of setae. Scutellum rounded from dorsal aspect, without setae ( Fig. 1CView FIGURE 1). Mesopleuron devoid of setae anterior to round spiracle; 24–25 slender setae posteriorly. Hypopleuron and sternopleuron each without setae. Pteropleuron covered with about 20 long slender setae ( Fig. 2AView FIGURE 2). Procoxa with 3–4 long setae, mesocoxa with 1–2 long setae, metacoxa broad, with long setae scattered along margins. Protrochanter and mesotrochanter each with apical group of 7–8 setae whose lengths exceed that of the trochanter; metatrochanter with two basal patches of minute setae and several longer setae towards apex. Prosternum, mesosternum, and metasternum without setae; latter two divided by medial suture ( Fig. 1DView FIGURE 1). Genital Aperture: Fifth and sixth terminal pairs of spiracles dorsad to pair of cerci. Cercus with two long lateral setae and 8–9 shorter setae (variable between specimens). Seventh pair of spiracles ventrolateral to vaginal opening ( Fig. 2CView FIGURE 2). Genital plate (possibly representing sternum VIII) bearing 3–5 stout setae; positioned between the anal and vaginal openings ( Figs. 2View FIGURE 2 C–F). Seven to eight slender setae between pair of seventh spiracles; two setae lateral to each cerca. Lateral to all spiracles are three roughly concentric rows of setae; each seta short and stout, but not arising from sclerotized plate. Vaginal orifice small and slit­like or enlarged (dependent on parity). Larva/prepupa: Larva without apparent features; tubular to elliptical. More developed larvae (or prepupae) have surface sculpturing ( Fig. 3DView FIGURE 3), a sclerotized conical anus ( Fig. 3DView FIGURE 3), ventral pair of spiracles less than half the length of dorsal pair, each with longitudinal raphe ( Fig. 3BView FIGURE 3). General shape of prepupa flattened ventrally, dorsally convex, oval shaped ( Fig. 3AView FIGURE 3). Prepupa: Length: 1.66 mm, height: 1.11 mm, width: 1.25 mm (n = 1).

Dimensions

Whole neosomes are highly pleomorphic but length, height, and width of mature females averaged 2185µ, 1550µ, and 1550µ (n = 4, range: 2080–2220µ; 1520–1660µ; 1520–1660µ), respectively. Head and thorax, average length: 1091µ (n = 5, range: 1035–1142µ). Labial theca, average length: 413µ (n =6, range: 389–442µ); average width: 483µ (n = 5, range: 462–515µ).

ROM

Royal Ontario Museum

NMNH

Smithsonian Institution, National Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Hippoboscidae

Genus

Maabella