Which two components can affect the development time of a mosquito from a first instar larva to a pupa?

The development time of mosquitoes from first instar larvae to pupae is significantly influenced by both temperature and food availability.

Temperature is a critical factor because it affects the metabolic rate and development speed of the larvae. Warmer temperatures typically accelerate development, as increased heat boosts their activity and growth processes. Conversely, cooler temperatures can slow down their development, extending the time they spend in the larval stage.

Food availability is equally important, as sufficient nutrition is essential for larvae to grow and transition to the pupal stage. If food is scarce, the larvae may not develop properly or may take longer to grow, as they require adequate energy to meet their developmental needs.

Both of these factors - temperature and food - are fundamental in determining how quickly mosquito larvae progress to the pupal stage, highlighting their critical roles in the lifecycle of mosquitoes.