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Anastrepha and Toxotrypana:
descriptions, illustrations, and interactive keys

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Allen L. Norrbom, Cheslavo A. Korytkowski, Roberto A. Zucchi, Keiko Uramoto, George L. Venable, Jerrett McCormick and Michael J. Dallwitz

Anastrepha antilliensis Norrbom

Morphology

Body. Setae orange brown, or red brown.

Head. Frons without brown markings except ocellar tubercle. Occiput without brown marks. Frontal setae 4–5. Orbital setae 2. Ocellar seta weak, small or absent. Gena without brown spot. Facial carina in profile concave or flat on dorsal 2/3. Face with ventral part gradually tapered laterally; without brown markings. Antenna not extended to ventral margin of face.

Thorax. Mesonotum length 1.9–2.4 mm (1.95–2.27, n=3). Scutum nonmicrotrichose (except postsutural lateral margin, lateral to supra-alar seta). Scutellum disc mostly or entirely without microtrichia. Postpronotal, presutural supra-alar, dorsocentral, intra-alar and scutellar setae well developed, subequal to or longer than scutellum length; postpronotal seta on posterior half of postpronotal lobe. Acrostichal seta well developed. Basal scutellar seta strong, longer than scutellum. Mesonotum yellow, or orange, or dark orange; without pale spot or vitta on presutural lateral margin of scutum or posterior part of notopleuron, or with short presutural lateral pale vitta on lateral margin of scutum, not extended onto notopleuron (sometimes poorly differentiated). Scutum presutural dorsocentral pale vitta absent; with 3 (both medial and sublateral) pale postsutural vittae; pale medial vitta with posterior end ovoid (extended laterally beyond acrostichal seta but not reaching dorsocentral seta, anterior 2/3 very narrow); pale sublateral postsutural vitta not extended posteriorly to intra-alar seta. Scutum posteriorly with brown or orange brown band or other transverse marking or larger posteromedial mark. Scutum posteriorly with dark band or broad marking on posterior margin, or with irregular brown markings; scutal posterior brown band extended laterally to include intra-alar seta; without brown vittae. Scutellum with at least basal third of sides and disk brown or orange, distinctly darker than apex, or mostly to entirely brown (often with 1–3 white or diffuse pale brown spots medially or apically). Mesopleuron mostly yellow to orange, with small dark brown spot on anepimeron. Subscutellum entirely brown to dark brown. Mediotergite entirely brown to dark brown. Femora entirely yellow to orange. Fore femur with posterodorsal and ventral rows of well developed setae.

Wings. Wing pattern typical Anastrepha pattern (S-band complete or at most interrupted at crossvein r-m, C-band and at least proximal arm of V-band present). C-band broadly extending to vein M in cell br along cell bm; covering base of cell r2+3; yellow or orange area posterior to pterostigma broad, extending distally into cells r1 and r2+3 at least to level of midlength of pterostigma. C-band and S-band separated (by hyaline band from cell bm to costal margin in cell r1). Cell bm entirely hyaline or infuscated only along subapical fold. S-band base without extension in middle of cell cu1 to posterior wing margin; with extension in cell a1 to or almost to posterior margin. Subapical hyaline area in radial cells distal to r-m extending anteriorly to vein R2+3. S-band distally extended to apex of vein M. V-band proximal arm as dark as apical half of S-band; extending more than 1/3 distance from apex of vein Cu1 to apex of vein A1+Cu2; not connected anteriorly to S-band. V-band distal arm absent. Vein R2+3 without accessory vein. Vein R4+5 distal to crossvein r-m more or less evenly curved or not strongly bowed medially. Vein M ratio (distance from bm-cu to r-m/distance from bm-cu to dm-cu) 0.63–0.69 (0.64–0.67). Crossvein dm-cu orientation with anterior end more distal than posterior end.

Abdomen. Epandrium posterodorsal margin evenly rounded. Lateral surstylus in posterior view very short, barely extended beyond prensisetae, rounded apically. Lateral surstylus in posterior view not boot-shaped. Lateral surstylus in lateral view short, apex blunt. Phallus length 0.1–0.3 mm. Glans absent. Proctiger lateral and ventral sclerotized areas connected, lateral areas separate dorsally. Oviscape straight; length 2.2–2.8 mm (2.25–2.75, n=3); length ratio (oviscape length/mesonotum length) 1.05–1.3 (1.1–1.25, n=3). Eversible membrane with dorsobasal denticles mostly small and weak, apical row very large, stout, strongly sclerotized, and divided medially. Aculeus length 2.2–2.6 mm (2.39). Aculeus in ventral view more or less parallel-sided except extreme base. Aculeus tip lateral margins not curved dorsally; slender, needle-like, with circular cross-section; not flared outward at or proximal to base; without ridges or lobes. Spermathecae membranous.

Miscellaneous

Sex of recorded specimens: male and female. Species group: daciformis group.

Biology and economic significance

This species is not considered economically important. Its host plants are unknown, although it probably attacks fruits of species of Sapotaceae like other species of the daciformis species group. Refer to the Fruit Fly Databases for host plant information.

Illustrations

• Habitus, female (dorsal). • Habitus, female (lateral). • Habitus, male (dorsal). • Wings. • Terminalia, female.

Links

Fruit Fly Databases for host plant, distribution, and nomenclatural information. Google search.