by James Pandey
by JAMES PANDEY
Aphids are small sap sucking insects and member of superfamily Aphidoidea. Aphids are the most destructive insect pests in temperate regions . They are commonly known as greenfly and black fly. Flightless females are giving birth to female nymphs without the involvement of male.
Crickets have a pair of long slender antennae arising from cone-shaped scapes (first segments) and just behind of antennae, there are two large compound eyes. Insects use antenna as a sensory organ.
Crickets belong to order Orthoptera. They have a pair of cercus at the end of the abdomen. The cercus is a pair of appendages at the end of the gut of some insects and other arthropods. Many forms of cerci serve as a sensory organ, but some serve as pinching weapons. In many insects, they…
Leg of termite
Lady beetle belongs to order Coleoptera. These are considered as useful insects because they prey on aphids or scale insect pests. Larva of lady beetle has long bodied with six legs. With the help of legs it can move from one location to another on plants in search of predators. Larva is a voracious predator…
The hind leg of leafhopper are modifies for jumping and are covered with hairs which are covered with hairs that facilitate the spreading of secretion over their bodies and act as a water repellent and carrier of pheromones.
Aphid, member of the order Homoptera, is probably the most notorious pests in the world. An aphid feeds on plants by inserting its proboscis, stylet or straw like mouthpart into phloem or inner cells of plant. Upon insertion the aphid draws the plant’s juice or sap. This feeding activity will normally cause leaf and stem…
Aphids are small sap sucking insects and members of the superfamily Aphidoideae. Common names include greenfly and black fly. A typical life cycle involves flightless female giving living birth to female nymphs without the involvement of male. Winged females may develop later in the season, allowing the insects colonies new plants.
Mango leafhopper belongs to the family Cicadellidae. This minute insects are feeder that sucks plant sap. Nymphs and adults are sucking phloem sap from the inflorescences and leaves of the host plants.
The beak-like mouth part or rostrum has four segment segments and tip reaches at the base of the middle pair of legs. This mouth part is piercing and sucking type.
Both adults and larvae of red cotton bud have three pair of segmented legs used for movement.
The antennae are the insect’s nose- they are used for the sense of smell. The pair of antennae is made is made up of joints this means they very mobile.
Pair of hind wing is present in cotton bug these are used by bug for flying. Hind wings are thin are kept under the hemielytra when are rest.
Like other insects cotton bug has compound eyes. Their eyes are called compound eyes because they are made up of repeating units, ommatidia, each of which functions as a separate visual receptor.
Dysdercus is commonly known as red cotton bug. It is a pest of cotton plant. The adult cotton bug has pair of black spot on the forewings. This wing is called hemielytra. The basal half of the wing is thick and leathery. The distal half in membranous. They are protective in function and not involved…
Beetle wings are composed of forewing known as elytron and hind wing. The elytra are rigid. A beetle’s functional wings which flying, are the hind wings. Hind wings are thin are kept under the elytra when are rest.
Adult female ladybird beetles usually lay clusters of eggs on plants in the vicinity of aphis, scale, or mealybug colonies.
Antenna of Leptocorisa legs Wings