Duméril's fringe-fingered lizard

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Duméril’s fringe-fingered lizard
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Lacertidae
Genus: Acanthodactylus
Species:
A. dumerilii
Binomial name
Acanthodactylus dumerilii
Synonyms[2]
  • Lacerta dumerilii
    Milne-Edwards, 1829
  • Scapteira inornata
    Gray, 1838
  • Acanthodactylus scutellatus var. exiguus
    Lataste, 1885
  • Acanthodactylus dumerili
    — Bons & Girot, 1964
  • Acanthodactylus dumerilii
    — Crochet, Geniez & Ineich, 2003

Duméril's fringe-fingered lizard (Acanthodactylus dumerilii)[3] is a species of lizard in the family Lacertidae.[2][4] A. dumerilii is in the A. scutellatus species group.[5][6][7] A. dumerilii is native to the western and central Sahara.[3]

Etymology[edit]

The specific name, dumerilii, is in honor of French herpetologist André Marie Constant Duméril.[8]

Description[edit]

Duméril's fringe-fingered lizard is overall yellowish brown, as are many fringed fingered lizards. Its body is gracile and elongated. It has long fingers with fringe-like scales, which gave the genus its common name. It can be distinguished from A. longipes by the presence of contrasting dark brown or black spots across the dorsal surface.[7]

Habitat and geographic range[edit]

The typical habitat of Duméril's fringe-fingered lizard is mainly found in the deserts of Algeria,[3] Libya,[3] Morocco,[3][9] Mauritania,[3] Senegal,[3] Tunisia[3][10] and the Western Sahara.[3] In the areas of Erg Chebbi and M’hamid of Southern Morocco it is found together with Acanthodactylus longipes.[7] However, these closely related species prefer different habitats. Duméril's fringe-fingered lizard avoids deserts free of vegetation and is mainly found at the edges of dunes overgrown by some bushes and halfa grass (Stipa tenacissima), or lives in soil covered with sparse vegetation, where it constructs its burrows.[7]

Diet and ecology[edit]

Silver ants[edit]

Duméril's fringe-fingered lizard eats insects, mainly Saharan silver ants. These ants have large soldiers with saber-like mandibles for defending against the lizard.[11] If the lizard cannot dig up the underground colony, it places its burrow near the colony to exploit over a longer time.[12] The silver ants in turn have special scouts who watch the burrow of the fringed lizard and alert the workers as soon as the lizard enters the burrow to protect itself from the heat of the sun, upon which the ants swarm out to gather food.[13][14]

Locusts[edit]

Occasional locust swarms also supply Duméril's fringed lizard with food. However, some locust species such as the desert locust consume toxic plants like the Egyptian henbane, accumulating noxious substances. The locusts develop a warning coloration at higher population density, which is noticeably intensified to indicate their potential toxicity. Duméril's fringe-fingered lizard avoids desert locusts with such coloration.[15]

Reproduction[edit]

A. dumerilii is oviparous.[2]

References[edit]

  1. ^ Wilms T, Wagner P, Niagate B, Slimani T, Mateo JA, El Mouden EH, Geniez P (2018). "Acanthodactylus dumerilii ". The IUCN Red List of Threatened Species 2018: e.T197433A2482977. https://doi.org/10.2305/IUCN.UK.2018-2.RLTS.T197433A2482977.en. Downloaded on 16 April 2019.
  2. ^ a b c Acanthodactylus dumerilii at the Reptarium.cz Reptile Database
  3. ^ a b c d e f g h i http://www.lacerta.de: Acanthodactylus dumerili (MILNE-EDWARDS, 1829), accessed 2015-08-15.
  4. ^ Salvador A (1982). "A revision of the lizards of the genus Acanthodactylus (Sauria: Lacertidae)". Bonner zoologische Monographien (16): 1–67.
  5. ^ Crochet P-A, Geniez P, Ineich I (2003). "A multivariate analysis of the fringe-toed lizards of the Acanthodactylus scutellatus group (Squamata: Lacertidae): systematic and biogeographical implications". Zoological Journal of the Linnean Society 137 (1): 117–155.
  6. ^ Schlüter U (2010).
  7. ^ a b c d Morocco herps.com: Lagartija de Merzouga, accessed 2015-08-15.
  8. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Acanthodactylus dumerilii, p. 77).
  9. ^ Harris DJ, Carretero MA, Brito JC, Kaliotzopoulou A, Pinho C, Perera A, Vasconcelos R, Barata M, Barbosa D, Carvalho S, Fonseca MM, Perez-Lanuza G, Rato C (2008). "Data on the distribution of the terrestrial herpetofauna of Morocco: records from 2001-2006". Herpetological Bulletin (103): 19–28.
  10. ^ Nouira S, Blanc CP (2003). "Distribution spatiale des Lacertides (Sauria, Reptilia) en Tunisie; caractéristiques des biotopes et rôle des facteurs écologiques. Geographic distribution of Lacertids (Sauria, Reptilia) in Tunisia; Biotope characteristics and influence of ecological factors". Ecologia Mediterranea 29 (1): 71–86.(in French).
  11. ^ Molet, Mathieu; Maicher, Vincent; Peeters, Christian (2014). "Bigger helpers in the ant Cataglyphis bombycina: increased worker polymorphism or novel soldier caste?" PLoS ONE 9 (1): e84929.
  12. ^ Marsh AC, Wehner R, Wehner S (1992). "Desert ants on a thermal tight rope". Nature 357: 586–587.
  13. ^ Gullen P. The Insects: An Outline of Entomology.
  14. ^ Andrew, Nigel; Terblanche, John S (2013). The response of insects to climate change. pp. 38–50. In: Salinger J (editor) (2013). Climate of Change: Living in a Warmer World. Auckland, New Zealand: David Bateman Ltd.
  15. ^ Sword, George A.; Simpson, Stephen J.; El Hadi, Ould Taleb M.; Wilps, Hans (7 January 2000). "Density-dependent aposematism in the desert locust". Proceedings of the Royal Society B: Biological Sciences. 267 (1438): 63–68. doi:10.1098/rspb.2000.0967. PMC 1690497.

Further reading[edit]

  • Milne-Edwards H (1829). "Recherches zoologiques pour servir à l'histoire des Lézards, extraites d'une Monographie de ce genre". Annales des Sciences Naturelles, Paris 16: 50–89 + Plates V–VIII. (Lacerta dumerilii, new species, p. 85 + Plate VII, figure 9). (in French).
  • Sindaco R, Jeremčenko VK (2008). The Reptiles of the Western Palearctic. 1. Annotated Checklist and Distributional Atlas of the Turtles, Crocodiles, Amphisbaenians and Lizards of Europe, North Africa, Middle East and Central Asia. (Monographs of the Societas Herpetologica Italica). Latina, Italy: Edizioni Belvedere. 580 pp. ISBN 978-88-89504-14-7.
  • Schlüter U (2010). "Fransenfingereidechsen (Acanthodactylus) in der Natur und im Terrarium. Teil 5b: Die Acanthodactylus-scutellatus-Gruppe". Reptilia 15 (4): 62–66.
  • Trape J-F, Trape S, Chirio L (2012). Lézards, crocodiles et tortues d'Afrique occidentale et du Sahara. Paris: IRD Orstom. 503 pp. ISBN 978-2709917261. (in French).
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