Description
provided by Zookeys
Adults. Head capsule (Figs 23–30): labial palpi either normal, 3-segmented, or with segments 2 and 3 reduced (Fig. 27), or 2-segmented (Fig. 26); interocular index 0.55–0.68. Antennae sometimes dilated and flattened at base. Head colour blackish or orange; eyecaps white, often blackish posteriorly. Collar consisting of piliform scales. Wingspan 3.8–6.0 mm. Forewing with dark blue or purplish lustre and (except in one species) transverse shining silver or pale gold fascia. Hindwing without androconial pocket. Underside of male forewing without androconia. Wing venation (Fig. 33): R2+3 in forewing absent. Upperside of abdomen in male sometimes with specialized lamellate scales; S2a strongly spinose or without spines. Legs: fore-tibia of male not thickened above with scales.
Male genitalia(Figs 43–48, 60–63). Anterior extension of vinculum more or less H-shaped, with strong medial excavation. Tegumen simple. Uncus apically bifid, basally with 2 weakly sclerotized areas. Gnathos central element narrow and pointed. Valva (Figs 44, 47) relatively stout, apically rounded or squared off, pectinifer consisting of ca. 22–29more or less peg-like elements. Aedeagus (Figs 45, 48, 61, 63): vesica with numerous small cornuti; cathrema moderately weak, with or without associated sclerites.
Female genitalia (Figs 74, 75, 83–88). Lateral sclerites of vestibulum present, narrow. Accessory sac more or less developed. Corpus bursae with numerous pectinations, signum absent.
Larva. Head (Figs 105, 106): antennae 2-segmented; segment 2 with 1 pair of sensilla chaetica and 1 pair of sensilla basiconica; head-shape cordate or pyriform. Thorax: prothoracic sternite (Figs 110, 111) more or less narrow, subtriangular; chaetotaxy (Fig. 116): T2 with 10 or 11 pairs of setae (2 pairs of D setae (except in Pectinivalva (Casanovula) 226, which has 1 pair of D setae); L3 present or absent). Abdomen: as described for subfamily. Cuticle not textured, all segments except T1 and A10 with covering of fine spines.
- license
- cc-by-3.0
- copyright
- Robert J.B. Hoare, Erik J. van Nieukerken
- bibliographic citation
- Hoare R, Nieukerken E (2013) Phylogeny and host-plant relationships of the Australian Myrtaceae leafmining moth genus Pectinivalva (Lepidoptera, Nepticulidae), with new subgenera and species ZooKeys 278: 1–64
- author
- Robert J.B. Hoare
- author
- Erik J. van Nieukerken
Distribution
provided by Zookeys
Known only from eastern Australia: Queensland, N.S.W., A.C.T. and Tasmania; to be expected in Victoria.
- license
- cc-by-3.0
- copyright
- Robert J.B. Hoare, Erik J. van Nieukerken
- bibliographic citation
- Hoare R, Nieukerken E (2013) Phylogeny and host-plant relationships of the Australian Myrtaceae leafmining moth genus Pectinivalva (Lepidoptera, Nepticulidae), with new subgenera and species ZooKeys 278: 1–64
- author
- Robert J.B. Hoare
- author
- Erik J. van Nieukerken