30 Questions
What type of wings are developed fully only in the adult?
Functional wings
What supports the flaplike cuticular projections of wings?
Sclerotized veins
What comprises the closely appressed dorsal and ventral cuticular surfaces of wings?
Intervening membranous areas
Where do most veins lie in an anterior area of the wing?
Remigium
What is responsible for most of the movements of flight?
Thoracic flight muscles
What configuration do the major veins have near the wing attachment?
- and - signs
What is the external skeleton of insects called?
Exoskeleton
How are the hard plates (sclerites) on an insect's body joined to each other?
Via flexible membranes
What forms a protective case around the insect, providing high tensile strength and guarding against mechanical injuries?
Tergum and sternum
From which region of the insect arise the jointed appendages?
Sternopleural region
What process has given rise to the familiar tagmata of head, thorax, and abdomen in insects?
Tagmosis
How many segments do the head, thorax, and abdomen of an insect typically have as a result of tagmosis?
Six-segmented head, three-segmented thorax, and 11-segmented abdomen
Where does the Red banded thrips lay their eggs?
On the upper leaf surface in a long chain
What is the recommended method of control for Citrus swallow tail butterfly larvae?
Physical control by removing eggs and larvae
Which pest transmits the African cassava mosaic virus?
Whiteflies
What is a common behavior of the Red banded thrips larvae?
Feeding inside the underside surface of leaves
How do Coffee leaf rollers affect plants?
By reducing leaf productivity
What is a method suggested for controlling Citrus swallow tail butterfly infestations?
Scouting for pests to detect early infestations
What is one of the serious problems that developed due to the use of chemicals in pest control?
Pests developing resistance to chemicals
How do larvae of Maize borers cause damage to maize plants?
They eat the leaves and stem, causing the growing points to die
What is one method of controlling Maize borers mentioned in the text?
Applying chemical control like Carbaryl or Carbofuran
Which pest is a vector of streak disease in maize according to the text?
Maize leaf hopper - Cicadulina spp
What do adult weevils and larvae feed on according to the text?
Grains, reducing them to powder
What is a consequence of adult females laying eggs in grains, as mentioned in the text?
Reduced grain quality due to pupation within grains
What is the purpose of the hairy tongue in Lepidoptera mouthparts?
To aid in pumping liquid food
What causes the movement of liquid towards the mouth in Lepidoptera feeding?
Action of the cibarial pump
How do moths and butterflies extend their proboscis?
By increases in hemolymph pressure
Which type of mouthparts do most adult Lepidoptera possess?
Haustellate type
What is the function of sectorial (haustellate) mouthparts in Lepidoptera and some adult flies?
To suck up liquids exclusively
What causes tight coiling of the proboscis in moths and butterflies?
Contraction of intrinsic muscles
Learn about the anatomy of insect wings, including their development, structure, and major veins. Understand how the longitudinal and cross-veins contribute to the overall structure of insect wings.
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