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The checkerboard worm lizard (Trogonophis wiegmanni) is a species of amphisbaenian in the family Trogonophidae. The species is monotypic within the genus Trogonophis,[2] and is endemic to North Africa. Its natural habitats are temperate forests, Mediterranean-type shrubby vegetation, temperate grassland, sandy shores, arable land, and pastureland. It is threatened by habitat loss.
There are two subspecies, which can be distinguished by their coloration. The nominotypical subspecies, Trogonophis w. wiegmanni Kaup, 1830, has a pale yellow ground color, while T. w. elegans (Gervais, 1835) has a gray-white or light pink ground color.
Both subspecies of T. wiegmanni exhibit the following characteristics. The head is rounded and slightly compressed dorso-ventrally. The snout is slightly protruding. Two pairs of cephalic shields are present. The nostrils open forward. External ears are absent. The skull is elongate compared to other Trogonophidae.
The body is wormlike: legless, elongate, cylindrical, and annulated. There are sunken lateral lines. The short conical tail lacks autotomy. The body is short and stout relative to other legless lizards. Both sexes lack pre-anal pores.
T. wiegmanni can found in areas with abundant leaf litter, sandy soil[3] and moist soil that is covered with stones and other ground cover. It can also be found near roadsides, in traditionally cultivated areas, in oak forest and oak-juniper forests, in sandy patches with no vegetation and in steppe habitat.[4]
T. wiegmanni has a tolerance for a broad range of habitats such as; temperate forest, shrubland, temperate grassland, artificial/terrestrial arable Land, and artificial/terrestrial pastureland. It has been found at elevations from sea level to 1,900 m (6,200 ft).[4]
The specific name, wiegmanni, is in honor of German herpetologist Arend Friedrich August Wiegmann.[5]
Trogonophis wiegmanni is commonly known in English as "Wiegmann's worm lizard"[5] or the "checkerboard worm lizard", in French as "Trogonophis ", and in German as "Schachbrett-Doppelschleiche "[1] or "Wiegmanns Spitzschwanz Doppelschleiche ".
T. wiegmanni is native to northern Algeria, western Morocco, the Chafarinas Islands of Spain, and northwestern Tunisia.[4]
T. wiegmanni can be found mostly under rocks/stones in its specific habitats, sometimes in pairs. Individuals of the same sex in this species are never found together under the same rock indicating intrasexual intolerance. Females benefit from male presence through enhanced vigilance or reduced harassment by other males within this species.[3]
Trogonophis wiegmanni consumes a variety of insects and other soil invertebrates.
T. wiegmanni is viviparous.[1]
The checkerboard worm lizard (Trogonophis wiegmanni) is a species of amphisbaenian in the family Trogonophidae. The species is monotypic within the genus Trogonophis, and is endemic to North Africa. Its natural habitats are temperate forests, Mediterranean-type shrubby vegetation, temperate grassland, sandy shores, arable land, and pastureland. It is threatened by habitat loss.
La culebrilla mora[2] (Trogonophis wiegmanni) es una especie de reptil escamado de la familia Trogonophidae.
Endemismo magrebí, de hábitos minadores y difícil de detectar. Especie en estado de regresión por la creciente urbanización y degradación de los suelos.
Se extiende desde la región de Sous, al suroeste de Marruecos, hasta la región de Bizerta, al nordeste de Túnez. Se reconocen dos subespecies alopátricas T. w. elegans, llamada culebrilla mora malva, distribuida por la mitad occidental y más húmeda de Marruecos y la especie nominal, T. w. wiegmanni, llamada culebrilla mora amarilla desde el Rif oriental hasta Túnez, en comarcas con precipitaciones menores de 600 mm.
En España están presentes las dos subespecies T. w. elegans en Ceuta y T. w. wiegmanni en Melilla y las tres islas del archipiélago de las Chafarinas.
La culebrilla mora (Trogonophis wiegmanni) es una especie de reptil escamado de la familia Trogonophidae.
Trogonophis wiegmanni Trogonophis generoko animalia da. Narrastien barruko Amphisbaenia familian sailkatuta dago.
Trogonophis wiegmanni Trogonophis generoko animalia da. Narrastien barruko Amphisbaenia familian sailkatuta dago.
Trogonophis wiegmanni, unique représentant du genre Trogonophis, est une espèce d'amphisbènes de la famille des Trogonophiidae[1].
Cette espèce se rencontre au Maroc, dans le nord de l'Algérie et en Tunisie[1], où elle vit dans les forêts et zones arbustives tempérées, ainsi que dans les zones cultivées.
Ce sont des lézards apodes, vivipares[2], qui ont un mode de vie fouisseur.
Selon Reptarium Reptile Database (14 mai 2014)[3] :
Cette espèce est nommée en l'honneur du zoologiste allemand Arend Friedrich August Wiegmann (1802-1841)[4].
Trogonophis wiegmanni, unique représentant du genre Trogonophis, est une espèce d'amphisbènes de la famille des Trogonophiidae.
Trogonophis wiegmanni er en ormeøgle som er utbredt i Maghreb.
Den lever i områder med middelhavsklima og en årsnedbør høyere enn 600 mm, i motsetning til de andre artene i familien Trogonophidae som forekommer i ørkener. Her lever den i fuktig jord under steiner, og kan påtreffes både i eikeskog, dyrket mark og i områder med sand.
Arten er utbredt fra Sous i sørvestre Marokko, østover gjennom nordlige Algerie til provinsen Bizerte i nordvestre Tunisia. Den finnes også i de spanske besittelsene Ceuta, Melilla og Islas Chafarinas.
Trogonophis wiegmanni er en ormeøgle som er utbredt i Maghreb.
Den lever i områder med middelhavsklima og en årsnedbør høyere enn 600 mm, i motsetning til de andre artene i familien Trogonophidae som forekommer i ørkener. Her lever den i fuktig jord under steiner, og kan påtreffes både i eikeskog, dyrket mark og i områder med sand.
Arten er utbredt fra Sous i sørvestre Marokko, østover gjennom nordlige Algerie til provinsen Bizerte i nordvestre Tunisia. Den finnes også i de spanske besittelsene Ceuta, Melilla og Islas Chafarinas.
