(Spiders, W.Shear) Each chelicerae consists of a base and a fang. The fang folds up inside of a groove in the base until needed when attacking food, then moves out to bite and releases venom from a tiny opening at its end as it penetrates the prey. (Biology Of Spiders, R.Foelix) They are also used to “chew”, getting digestive juices inside the body of the prey then squeezing out the liquid lunch. The pedipalps are mainly used to catch and rotate the prey while the chelicerae inject it with poison to tear down the tissue. Later the bases of the pedipalps are used as chewing parts.
Wolf spiders belong to Lycosidae family which means wolf. This spider has eight eyes and because of this, its vision is excellent, and it can easily communicate through the eyes. The other species may hunt their prey from the vibration sound, but this species is entirely different because it trails after seeing its prey. The eight eyes are arranged in 3 rows. The first row consists of 4 eyes; these eyes are small in size.
"Kissing bugs are also known as triatomine bugs”. These bugs defecate on the person later they bite and ingest blood. If Trypanosome cruzi parasites in the bug feces enter the body through mucous membranes or breaks in the skin that person can get infected. The unexpectedly sleeping person may accidentally scratch or rub the feces into the bite wound, eyes, or mouth. Kissing bugs are nocturnal, blood-feeding insects that are members of the Reduviidae family of insects.
Wolf spiders also tend to work by surprising their prey as “they will search silently for their prey and pounce as soon as it becomes close enough. Ross (2001) also stated “Wolf spiders are named so because of the way in which they pounce on their prey with great speed and strength”. However another feeding strategy wolf spiders ha... ... middle of paper ... ...nt lion takes its pincers and captures the ant. Then it uses a stinger in its pincers to poison the ant and paralyze it”. Just like the ant lion once the Wolf spider has pounced on its prey it then poisons it.
This species lives preferably in sheltered, sandy regions and builds shallow, cone-shaped pits in the surrounding substrate. The larvae use these pits to capture their prey. The insect falls into the pit and is unable to climb up the loose sand on the sides of the pit. The antlion lies buried at the bottom of the pit and catches its prey with its strong, piercing mandibles. The larvae secrete digestive enzymes through the mandibu... ... middle of paper ... ...anisms - orb-weaving spider and antlion Spider builds its web on principle of least-weight structure This minimizes amount of material needed to catch prey - a balance of energy expenditure and success rate Spider constructs its web so that large, harmful prey fly through Antlions may function in same way Lucas proposes antlions regulate pit diameter so large prey can escape Studying trap biomechanics increases understanding of advantages, disadvantages, and constraints placed on trap-building predators Also increases understanding of evolutionary adaptations these organisms display in trap-building behavior Does pit size increase with increase in larval size in late instars?
Although the killer toad destroyed of all the sugar cane beetles, it also allowed itself to prey on other living organisms. Even though the beetles had been wiped out by the toads, the toads themselves were still alive. They are spontaneous eaters and will eat anything they can fit in their mouths, including insects, frogs, lizards, snakes and small marsupials. They invaded wetland habitats and competed with the native frogs. And their shoulders enable them to squirt a highly toxic venom from a considerable distance, they poison anything that eats them, including domestic pets.. For example, a dog can die 15 minutes af... ... middle of paper ... ... vaporariorum) A minute wasp, Encarsia formosa, parasitizes white flies exclusively.
The larger scorpions usually eat vertebrates, such as small lizards, snakes, and also mice. Pray are located primarily by sensitive vibrations. Sensitive hair called trichobothia that feel air vibrations, and tips of the legs have small organs that feel vibration on the ground. Scorpions have a meeting ritual. In such ritual male is trying to lead female on a "courtship dance".
These creatures will eat other centipedes, earthworms, insects, spiders, and, if they are big enough, small birds, toads, and reptiles. Some centipedes have only 30 legs, but others can have up to 350. Besides walking, centipedes use their legs in some strange ways. They can use them to inject venom into their prey, to distract predators by dropping their legs off, or secrete chemicals which repel predators. This chemical enters predators when the centipede pierces the predator’s skin with its leg.
This genus is famous for having spiders with a poisonous bite (Preston-Mafham 1984). Black Widow Spider http://pubs.ext.vt.edu/444/444-422/444-422.html Physiology (Muscles/skeletal/locomotion) The spider’s body is relatively simple. Similar to the rest of the species in Arthropoda, the spider has an exoskeleton that protects it from its environment. This exoskeleton protects the entire body of the spider that includes two segmented sections (the cephalothorax and the abdomen), as well as the four pairs of legs. An example of sexual dimorphism in the Southern Black... ... middle of paper ... ...itude towards spiders is favorable… Although many people, especially in the West, feel a high degree of revulsion towards spiders and may in fact be frightened by them” (Mafham 1984).
The strength of the silk of the spider is five times stronger than steel of the same thickness (Dalton, 2008). Different species of spiders lay different kinds of eggs; their shapes and color are different (Hawkeswood, 2003). When people see spiders they see horror movies, the have this view that they were design to attack humans, but spiders only bite when their pinned against the skin(Dalton, 2008). They are very use full in control... ... middle of paper ... ...EN (2008) SPIDERS The ultimate predators. A&C Black publication, London, pp 157.