Gehyra corona KRAUS, VAHTERA & WEIJOLA, 2024
Can you confirm these amateur observations of Gehyra corona?
Gehyra corona
We have no photos, try to find some by Google images search: 
| Higher Taxa | Gekkonidae, Gekkota, Sauria, Squamata (lizards: geckos) |
| Subspecies | |
| Common Names | |
| Synonym | Gehyra corona KRAUS, VAHTERA & WEIJOLA 2024: 6 |
| Distribution | Papua New Guinea (Madang) Type locality: Crown Island, 5.1231 S, 146.9760 E, 30 m a.s.l., Madang Province, Papua New Guinea |
| Reproduction | |
| Types | Holotype. UMMZ 247756 (field tag FK 17752), mature male, collected by F. Kraus and V. Weijola on 12 March 2018. Paratypes (n 1⁄4 5). UMMZ 247757–58, same data as holotype; UMMZ 247753–55, same data as holotype except collected 11 March 2018 |
| Diagnosis | Diagnosis (n=6). An intermediately sized (adult female SVL 75–88 mm, adult male 79–95 mm) species of Gehyra having entirely undivided subterminal lamellae on all toes; 16–19 T4 lamellae; 12–15 T1 lamellae; extensive webbing between all toes; 27–32 precloacal-femoral pores in a continuous row in males; small and subequal subcaudal scales; rounded tail lacking serrations; lateral, antecubital, and popliteal skin folds absent or weakly developed; and colour pattern sexually dimorphic, with males boldly maculated with dark brown dorsally (Fig. 3A) and females grey irregularly suffused with brown and with whitish or pale-grey dots on neck and head (Fig. 3B). This species is easily distinguished from most other Gehyra by having both undivided subapical lamellae under the toes and small, subequal subcaudal scales. Only G. marginata and G. oceanica also have those features. Gehyra corona may be distinguished from G. marginata by its smaller size (SVL = 75–95mm vs. 130–142 in G. marginata), rounded (vs. flattened) tail, fewer T4 lamellae (16–19 vs. 20–27 in G. marginata), and lack of lateral, antecubital, and popliteal skin folds (vs. skin folds prominent in G. marginata). Gehyra corona is most similar to G. oceanica and was included under that species by Beckon (1990). It may be distinguished from the widespread Polynesian lineage (P1) of G. oceanica by averaging fewer femoral-precloacal pores in males (mean = 29.5, range = 27–32, n1⁄42 vs. mean = 35.3, range = 30–43, n1⁄481 in Polynesian lineage PI) and a higher average number of T4 lamellae (mean = 17.4, range = 16–19, n = 12 digits vs. mean = 15.7, range = 13–19, n = 314 digits in Polynesian lineage PI). It differs from the widespread Micronesian lineage (M1) by having, on average, more precloacal-femoral pores in males (mean = 29.5, range = 27–32, n = 2 vs. mean = 24.2, range = 21–28, n = 56 in Micronesian lineage M1). Differences among these lineages for these two features are most readily seen graphically (Fig. 2). As well, Gehyra corona differs from the geographically adjacent sample of G. oceanica from the Bismarck Islands in having, on average, fewer precloacal-femoral pores in males (mean = 29.5, range = 27–32, n = 2 vs. mean = 36.0, range = 31–42, n = 5 in Bismarck G. oceanica) and slightly more T4 lamellae (mean = 17.4, range = 16–19, n = 12 digits vs. mean = 16.2, range = 15–19, n = 18 digits in Bismarck G. oceanica). Gehyra corona is distinguished from all those lineages and all other G. oceanica reported in the literature in being (presumably sexually) dimorphic in colour pattern, with our two males boldly blotched and mottled with dark brown dorsally (Fig. 3A) and our four females brown or grey irregularly suffused with vague darker-brown saddles and with whitish or pale-grey dots on neck, head, and sometimes on hindlimbs (Fig. 3B). These contrast with the spotted patterns seen in nearby G. oceanica lineage M6 (Fig. 3C, D) and with the uniformly grey to vaguely spotted patterns seen in other lineages of G. oceanica. (Kraus et al. 2024) |
| Comment | |
| Etymology | Named after Latin corona = ‘crown’, named for the sole island from which this species is named and which is its type locality. |
| References |
|
| External links |