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We presented the first data on female reproductive traits of the meadow lizard Darevskia praticola from the westernmost boundary of the species range (Peridanubian Serbia). Mating occurs during April and May, oviposition period occurs in June, and hatching takes place in July. Females mature at body sizes of 49.5 mm of snout-vent length (SVL). One clutch is produced annually. The average clutch size of 5.7 eggs (range 4 – 8) represents the largest recorded for this species. Clutch size and clutch mass increased significantly with the mother’s SVL. There was no evidence of the predicted trade-off between egg size and clutch size, as well as of variation in egg size associated with maternal SVL. The relative clutch mass (RCM) was rather high (0.60) for lacertid species and was not correlated with female size.
An almost complete lizard specimen discovered from the Baltic amber of middle Eocene age is described and considered conspecific with the first Baltic amber lizard Succinilacerta succinea (Boulenger 1917). The new specimen demonsfrates that the typical lacertid morphotype was fully developed by the middle Eocene. This is in conflict with a possible derivation of all the extant lacertids from a common ancestor of no earlier than Oligocene age based on the recent albumin-immunological and karyologic analyses using molecular clock methodology. Outgroup analysis of the lacenid pileus characters is applied to reconstruct the order and rate of appearance of character states during the pre-Oligocene section of phylogeny of the lacertid clade theoretically beginning by about the Late Jurassic. Two synapomorphies are proposed for the whole lacertid clade, including Eocene Plesiolacerta: frontoparietal scales largely overlapping the parietal table with a corresponding central position of the interparietal, and presence of the occipital. Plesiolacertais the only stem lacertid known. Succinilacerta is considered a member of the crown lacertids on the basis of two other synapomorphies: an integration of parietal scales and a development of early ontogenetic conftol of the pileus pattern. Parietal integrity is suggested to be sensitive to animal size. Pileus fragmentation may be primary or secondary.
A survey of helminth communities of Gallotia atlantica (Peters et Doria, 1882), from Lanzarote and Fuerteventura islands, in the Canary Archipelago, Spain, was conducted in order to determine the prevalence, intensity, and diversity of parasites of these lacertid lizards. Larval cestodes were found in the body cavity of hosts from Lanzarote. Spauligodon atlanticus was the only core species in the helminth component community of G. atlantica. Helminth infracommunities of both host populations were depauperate and isolationist.
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