10 most difficult insects riddles

The Plagues of Egypt were ten calamities that, according to the biblical Book of Exodus, God inflicted upon Egypt as a demonstration of power, after which the Pharaoh conceded to Moses' demands to let the enslaved Israelites go into the wilderness to make sacrifices. God repeatedly hardened the Pharaoh's heart to prevent him from consenting until after the tenth plague. The Israelites' eventual departure began the Exodus of the Hebrew people.

Darwin's bark spider is an orb-weaver spider that produces one of the largest known orb webs, with bridge lines spanning up to 25 metres (82 ft). The spider was discovered in Madagascar in the Andasibe-Mantadia National Park in 2009. Its silk is the toughest biological material ever studied, over ten times tougher than a similarly-sized piece of Kevlar.

The fastest species of tiger beetle, Cicindela hudsoni, can run at a speed of 9 km/h (5.6 mph; 2.5 m/s), or about 125 body lengths per second. As of 2005, about 2,600 species and subspecies were known, with the richest diversity in the Oriental (Indo-Malayan) region, followed by the Neotropics.

An instar is a developmental stage of arthropods, such as insects, between each moult until sexual maturity is reached. Arthropods must shed the exoskeleton in order to grow or assume a new form. Differences between instars can often be seen in altered body proportions, colors, patterns, changes in the number of body segments or head width.

During the warm season, the worker bee lives only about 38 days. However, during the winter it may live up to about 6 months.

Ranatra linearis is a species of aquatic bug in the Nepidae family. It is native to Eurasia and North Africa, and primarily found near aquatic plants in ponds, marshes and other freshwater habitats, but has exceptionally been recorded from hypersaline lakes and brackish lagoons. Their breathing tube tail is usually about as long as the body of the insect. They are swimming insects, and the adults can fly

Xylophagy is a term used in ecology to describe the habits of an animal whose diet consists of wood. The word derives from Greek xylon "wood" (similarly to xylophone)

The panda ant inhabits the Chilean sclerophyll forests at Coquimbo. Despite looking like an ant and being referred as such, it is in fact a form of wingless wasp. The animal is colloquially known as panda ant due to its fur and coloration; with white coat covering all of its head except the eyes, and black and white spots appearing over the rest of its segments.

The parasitic insect is very dangerous for animals and people. It can bite into the victim's body, leaving the larvae in it.

The praying mantis chews its victims in a manner similar to the way mammals do; however, its jaws close sideways, and not from the top or bottom like mammals' mouths. Mantis always eats the head first.