Peter Smetacek

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Questions related from Peter Smetacek

Do we know exactly what chemical signals are emitted by plants infected by insects to attract predators of those insects?

We know that trees attract ichneumon wasps when they are affected by stem borers. Similarly, plants infected by scale insects or aphids tend to attract carnivorous butterflies and lacewings. The...

12 November 2014 6,869 6 View

Which countries have banned insect collecting by private persons?

India is debating a law that will declare all non-domestic animals (including fishes and mosquitoes) wildlife. To kill or collect any such animals will require Governmental permission. This is...

15 January 2014 5,777 37 View

Are insects expanding their distribution in Europe, Africa and N. America in response to global warming patterns?

I have documented the westward expansion of a number of Himalayan butterflies and moths during the last 50 years, probably in response to milder winters and increased soil humidity. This has not...

07 January 2014 8,782 9 View

Do male Lycaenids have reduced forelegs? If so, which genera?

Some sites like Wikipedia state that male Lycaenids have reduced forelegs. However, standard works like Evans (1932: The identification of Indian butterflies) distinguish the family Lycaenidae on...

02 January 2014 8,531 26 View