Intercalary veins and numerous cross veins present in case of
A. Plecoptera
B. Thysanura
C. Thysanoptera
D. Ephemeroptera
Answer: Option D
Solution(By Examveda Team)
Intercalary veins and numerous cross veins are present in the case of Ephemeroptera.Ephemeroptera is the Soft-bodied insect with short setaceous antennae and vestigial mouthparts derived from a biting type.
Wings membranous, held vertically upwards when at rest, the hind pair considerably reduced; ‘intercalary’ veins and numerous cross-veins usually present.
Cross-veins are transverse veins joining longitudinal veins. The costal cross-veins here are not homologs of those found in Odonata (or Ephemeroptera) which are flattened and triangular.
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The reduviid bug Sycanus collaris is a predatory of
A. Coconut rhinoceros beetle
B. Red palm weevil
C. Both A and B
D. Termites
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