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The photoperiodicity effect on the selected phasmid species egg growth
TOCHOROVÁ, Pavla
The object of the thesis is to discover the importance of photoperiodicity in the Ramulus artemis and Peruphasma schultei growing process. These species differ in the area of presence, anti-predator behavior and the reproduction method. Their eggs were incubated at a constant temperature divided into four photoperiods. Incubation time, hatching success and the daytime of hatching were precisely documented. The photoperiodicity effect on both selected species has been evidenced by statistical data evaluation. The theoretical part deals with a general description of the reference order of phasmatodea (Phasmatodea) focusing on its reproduction and growth. Then appoints the climatic factors influencing the physiological processes in the insect body.

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