How often to spray fig trees to keep bugs away?

Do blue colored insect flies exist? Can a cockroach live up to a week without its head? Do moths have antenna? What crustacean that uses its pigmentation for communication? What does stick-and-daub mean? What calcium - rich formation builds the internal skeleton of echinoderms? Can hydroelectricity be used anywhere? What do bed bugs baby's look like? What red bugs live underground? What is the genus of an aphid? Are horse allgeric to bee stings? Are scorpions annelids flatworms mollusks arthropods cnidarians or echinoderm? Do spiders eat clovers? What happens if you eat an aphid? How can you tell the gender of a cinnabar moth? What are differences between Marchantia and Dryopteris? Are crab vertebrate or invertebrate? How much does a bee sting hurts on a scale to 1- 10? What structure helps the squid bite its food? Do cockroaches lay eggs when you crush them?