hormones
A Moth
A hypothesis is a prediction on what you think will happen. For experiments on insects being attracted to light or heat, a hypothesis could be that insects are attracted to light over heat.
June bugs and other insects are attracted to light because, they use light to navigate.
light
Insects, especially winged insects, are attracted to the bright light emitted from a light bulb. Spiders prey on insects, so the more insects are attracted to a certain place, the more spiders will be present there to eat them.
Moths and flies, primarily.
Probably Gnats
No, certain types of insects like moths and gnats are though.
Quite a few insects come out at night. This is when many of them feed. Some of these insects are mosquitoes, lightning bugs, which are also called fireflies, and carabid beetles. Moths, the black vine weevil, and cockroaches also come out at night.
This is not known.See the Related Link
Insects that use phototaxis are moths and cockroaches. Phototaxis means that these insects are attracted to light and will move towards it.
There are various experiments that you can do for why insects are attracted to light and heat. Experiments can be done at night with a light source and heat source in boxes to see which one attracts more insects.
The bugs are attracted by the heat of this light.