Isbn: 9788181711984 - common butterflies of uttarakhand (2 resultados)

Soft cover. Condición: As New. Contents: Introduction. Classification. Historical resume. Physiography. Topography. Vegetation. 1. Family Papiolinidae. 2. Family Pieridae. 3. Family Danaidae. 4. Family Acraeidae. 5. Family Satyridae. 6. Family Erycinidae. 7. Family Nymphalidae. 8. Family Lycaenidae. 9. Family Hesperiidae. References. Index. From the foreword: "The Lepidoptera (Butterflies) is an important group of insects whose members are economically important for mankind from the time immemorial. They play a key role in nature as an important component of the food chain of birds, spiders and other predatory insects. They also act as pollinators. The old relationship between the human and butterflies is today going through a period of great stress as humans by their activities are directly or indirectly threatening the existence of butterflies. The presence of butterflies depend upon the variety of factors including the climate, suitable food, appropriate adult nectar sources of other food, suitable areas for flight and courtship and in some instances, the presence of certain symbiotic species, notably ants. The actual number of known butterflies from. …

Condición: Very Good. viii, 136, 184 col figs. . PB. Vg. Owner's name to fly-leaf. Descriptions and illustrations of 110 of the 323 species known from Uttarakhand (a mountainous state in northern India, bordering Nepal and Tibet, including part of the Himalaya range). [9788181711984].