What is Gena in insect?
gena. (Anatomical feature) the area below the compound eyes, the insect equivalent to human cheeks.
What is the function of the tympanum in grasshoppers?
The tympanum is used for hearing. hind legs are used for jumping. side of the abdomen. that ends with a four pointed tip called an ovipositor.
What do mandibles do?
The mandible (from Latin: mandibula or mandĭbŭ-lum, a jaw) of an arthropod is a pair of mouthparts used either for biting or cutting and holding food. Unlike the chelicerae of arachnids, mandibles can often be used to chew food.
What is special about the mandibles?
Rather than being tooth-like, the mandibles of such insects are lengthened into stylets, which form the outer two parts of the feeding tube, or beak. The mandibles are therefore instrumental in piercing the plant or animal tissues upon which these insects feed, and in helping draw up fluids to the insect’s mouth.
Do insects have brains?
Insects have tiny brains inside their heads. They also have little brains known as “ganglia” spread out across their bodies. The insects can see, smell, and sense things quicker than us.
Do insects recognize humans?
Insects Recognize Faces Using Processing Mechanism Similar to That of Humans. The wasps and bees buzzing around your garden might seem like simple-minded creatures. Some of these species rival humans and other primates in at least one intellectual skill, however: they recognize the individual faces of their peers.
Do bugs know they exist?
Insects have a form of consciousness, according to a new paper that might show us how our own began. Brain scans of insects appear to indicate that they have the capacity to be conscious and show egocentric behaviour, apparently indicating that they have such a thing as subjective experience.
Why do bugs die on their back?
Why do bugs always seem to die on their backs? This is a matter of physics. As the bug nears death, normal blood flow ceases, causing the legs to contract inwardly. Without the support of the legs, the body becomes top-heavy, and usually falls upside-down.
Can a bird recognize its owner?
Summary: New research suggests that some birds may know who their human friends are, as they are able to recognize people’s faces and differentiate between human voices. Being able to identify a friend or potential foe could be key to the bird’s ability to survive.
What do birds go when it rains?
Their feathers shed rain and trap air against their bodies to help keep them warm. But heavy rains prompt them to seek shelter in bushes and trees. They remain motionless and conserve energy much as they do at night. Prolonged rain means the birds will run an energy deficit.