The constraint or budget line, in the diagram below, represents the possible levels of consumption in the two periods given the individual's level of present income, future expected income and the prevailing interest rate 'r'.
Wasp, common name applied to most species of hymenopteran insects, except bees and ants. Insects known as wasps include the sawflies, the parasitic wasps, and the stinging wasps, which are the best known. About 75,000 species of wasps are known, most of them parasitic. Characteristics.
When most people think about wasps, they think about being stung. Indeed, wasps do sting, and wasp stings hurt! Just ask entomologist Justin Schmidt, who devised a scale to compare the pain inflicted by various stinging insects.To make matters worse, some wasps can be downright nuisances.he term wasp is used to describe thousands of species within the order Hymenoptera. These include: the parasitic wasps, like ichneumonids and braconids; hunting wasps, like mud daubers, digger wasps, and spiders wasps; and pollinators like the fig wasps.