Phyllonorycter rhynchosiae
Creators: name: Prins, Jurate De
name: Kawahara, Akito Y.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Gracillariidae
Phyllonorycter
Phyllonorycter rhynchosiae

description: Key to the species of rhynchosiae group based on external characters
1. Fascia at 1/2 of forewing broad, basally angulated............................................................ 3
– Fascia at 1/2 of forewing narrow, crossing forewing either almost straight or sinuating towards apex of forewing.......... 3
2. Median fascia strongly angulated basally and apically......................................................... 5
– Median fascia angulated only basally and running almost straight apically (Figs 101, 102, 103, 107, 108).................................................................................. 51. fletcheri *, 52. gozmanyi *, 56. pavoniae *
3. Apex of forewing with narrow horizontal white streak initiating at termen of forewing and reaching the tips of basal and costal strigulae situated opposite each other at 3/4 of forewing (Figs 99, 100)...................................50. farensis
– Apex of forewing with white apical spot located at a distance from other white markings of forewing................... 4
4. Narrow median fascia crosses forewing almost straight, apical part of forewing densely irrorated with black scales (Fig. 106)........................................................................................... 55. ocimellus
– Narrow median fascia with a turn towards apex, apical part of forewing without black area (Fig. 104).......... 53. maererei
5. Median fascia and subapical strigulae finely edged with one row of black scales, fringe line absent (Figs 109, 110)..57. rhynchosiae
– Median fascia and subapical strigulae strongly edged with double row of black scales, fringe line present (Fig. 105)..... 54. mwatawalai
* for species identification please refer to the characters of male and female genitalia.
Key to males of the rhynchosiae group based on genitalia*
1. Horizontal part of transtilla very broad, half crescent-shaped, saccus ca. 3× longer than valva, aedoaegus ca. 4× longer than valva (Figs 257–258)...........................................................................50. farensis
– Transtilla highly sclerotized but H-shaped with long proximal arms, saccus and aedoeagus are not longer than 2× of valval length............................................................................................... 2
2. Valval projection stretches along entire ventral valval surface (Figs 262–264)............................ 52. gozmanyi
– Valval projection attached to ventral margin of valva is not longer than 1/2 of ventral margin of valva................... 3
3. Valval projection attached to sacculus area.................................................................. 4
– Valval projection attached to subapical part of ventral surface of valva............................................ 5
4. Valval projection narrow, long digitate, straight; saccus ca. as long as valva; aedoeagus bent, slightly longer than valva, shorter than 1.5× valval length (Figs 271–272)...........................................................56. pavoniae
– Valval projection hooked, hockey stick-shaped, saccus slightly longer than valva, aedoaegus straight, ca. 2× longer than valva (Figs 265–267).............................................................................. 53. maererei
5. Valva broad with sharply acuminating apex, ventral valval projection with sharp apex, proximal arms of transtilla longer than horizontal bar (Figs 268–270).................................................................. 55. ocimellus
– Valva of medium width or narrow, with acuminating but gently rounded apex, ventral valval projection harp or trapezoid shaped with rounded angles, horizontal bar of transtilla longer than proximal arms.................................. 6
6. Valva 4.7× longer than broad, valval ventral projection harp-shaped, saccus ca. 1.4× longer than valva, the ratio aedoeagus / saccus 1.4 (Figs 273–274)................................................................... 57. rhynchosiae
– Valva 2.7× longer than broad, valval ventral projection trapezoid shaped, saccus ca. 1.1–1.2 longer than valva, the ratio aedoeagus / saccus 1.7 (Figs 259–261)................................................................ 51. fletcheri
* male genitalia of P. mwatawalai are unknown.
Key to females of the rhynchosiae group based on genitalia*
1. Posterior apophyses longer than anterior apophyses........................................................... 2
– Posterior apophyses ca. as long as anterior apophyses......................................................... 3
2. Corpus bursae consisting of two sectors, signum membranous, semirounded area set with short spines, larger corpus bursae itself, stellate signum set with 5 fine spines in middle and with 14 broad marginal dentate rays (Fig. 345)...... 55. ocimellus
– Corpus bursae consisting of one part, oval membranous area, set with short and fine spines smaller than corpus bursae, stellate signum with 11 small spines in middle and 11 fine dentate rays (Figs 347, 348)......................... 57. rhynchosiae
3. Stellate signum on corpus bursae with more than 20 marginal dentate rays (Figs 342, 343)...... 50. farensis; 52. gozmanyi **
– Stellate signum on corpus bursae with less than 20 marginal dentate rays.......................................... 4
4. Stellate signum on corpus bursae with ca. 16 marginal dentate rays (Fig. 346).............................56. pavoniae
– Stellate signum on corpus bursae with ca. 9–10 marginal dentate rays (Fig. 344)....................... 54. mwatawalai
* female genitalia of P. fletcheri and P. maererei unknown
** female genitalia of P. farensis and P. gozmanyi are indistinguishable. Please refer to the male genitalia for identification.
description: Published as part of Prins, Jurate De & Kawahara, Akito Y., 2012, Systematics, revisionary taxonomy, and biodiversity of Afrotropical Lithocolletinae (Lepidoptera: Gracillariidae), pp. 1-283 in Zootaxa 3594 (1) on pages 137-138, DOI: 10.11646/zootaxa.3594.1.1, http://zenodo.org/record/6052126