Mating Behaviour of Indian Wall Lizard Hemidactylus Flaviviridis (Ruppell)
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Mating Behaviour of Indian Wall Lizard Hemidactylus Flaviviridis (Ruppell)

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INTRODUCTION:

The Indian wall lizard Hemidactylus flaviviridis (Rupell) is a average Indian lizard having stated breeding season of March to June. The lizards, in contrast to mammals, donot mate from again, as it isn’t feasible for so much lizards, having tough, spiny scales on again. As a substitute, the male lizard ways the feminine from the aspect, with mild biting at the neck of the feminine, and attempts to get the cloaca of feminine able as near as feasible. The male lizard has paired copulatory organs, referred to as hemipenes. They’re inside the ventral section of the tail, included in sheathes. A vas deferens connects each and every testicle to one of the crucial hemipenes. The lizard’s testicles are placed within the frame. Throughout mating, the hemipenis towards feminine is erected. The hemipenes of many species of lizard is decorated with thorns or ‘hooks’ of a few style, securing a maintain throughout mating. The sexual organs are hid inside the cloaca in lizards (Simms, 2006).

METHODOLOGY:

The Indian wall lizard Hemidactylus flaviviridis (Ruppell) used to be discovered for the period of mating. The statement used to be performed at Jharkhand state of India through the writer at three:50pm in April 2008. The images used to be performed via making use of Canon A-10 camera.

OBSERVATION:

The male used to be located to chase the feminine for three days previous mating and in reaction, the feminine grew to become frustrated and pushed out the male. The mating might be divided into 3 consecutive stages; pre-coital segment, coital segment and post-coital segment.

The pre-coital segment lasted for 15-20 mins. Throughout this segment, the male began shaking its frame and the feminine stopped relocating anymore. After five mins, it began relocating progressively in the direction of the feminine. In reaction, the feminine additionally began shaking its tail first, after which shaked the higher part of frame, i.e., the pinnacle, neck and higher stomach area. The male, on achieving the feminine, began biting the left aspect of the tail and regularly moved upwards. While it reached the aspect of head, it began biting the mandible of feminine and often lift its correct hindlimb to get a maintain of feminine, close the tail base. Then abruptly it jumped from left to correct facet of the feminine and took a role in twisted procedure.

The coital segment began with insertion of hemipenis to the cloaca of feminine. This segment lasted for 10-12 mins. Each the lizards have been observed to be immobile at this segment. Because the coital segment used to be over, abruptly, they grew to become untwisted with a seen jerk.

On the submit coital segment, the lizards grew to become untwisted, however have been nonetheless in near touch with inserted hemipenis obviously seen to the spectator. At this level they gave the impression in a form of “Y”. They remained on this posture for 7-10 seconds. After that, they received separated fully. Then the male abruptly obtained annoyed and pushed out the feminine.

REFERENCES:

1. Simms, Alex “Lizard Breeding – Dating/Mating.” Lizard Breeding – Dating/Mating. five Jan. 2006. EzineArticles.com. 20 Jun 2008

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