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Entomology

Types of insect antennae

Types of insect antennae

Types of insect antennae 1. Setaceous (Bristle-like): Size of the segments decreases from the base to apex e.g. cockroach. 2. Filiform (Thread-like): Segments are usually cylindrical in shape. Thickness of segments remains same throughout e.g. Grass hopper. 3. Moniliform (Beaded): Segments are either globular or spherical with prominent constrictions in …

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Important Natural Enemies and Their Hosts

Important Natural Enemies

Important Natural Enemies and Their Hosts Biological insect suppression in its original or classical sense involves the directed use of beneficial organisms. These beneficial organisms fail into several categories or groups. The broad-based categories of biological control agents/natural enemies are (according to function involved). 1. Parasites and Parasitoids 2. Predators …

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All about Jowar Shoot Fly

Jowar Shoot Fly

Jowar Shoot Fly Scientific Name: Atherigona soccata Rond. Class & Order: Anthomyidae – Diptera Economic Importance: It is one of the serious pests of sorghum in India. The Pest attacks the crop only in early stage of growth and infestation goes up to 80%. The high yielding hybrids are more …

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Type Of Insects

Insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons). Insects are distinguished from other arthropods by their body, which is divided into three major regions: …

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Pests of Sugarcane (Saccharum officinarum)

1. Early shoot borer Chilo infuscatellus Snellen (Crambidae: Lepidoptera) Distribution: It is found to attack sugarcane in Tamil Nadu, Andhra Pradesh, Punjab, U.P., Bihar, West Bengal, Madhya Pradesh, Rajasthan and Maharashtra. Nature of damage: The borer enters into young shoots and tunnels downwards. The upper portion of the central leaf …

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Pest of Millets

A. Sorghum (Sorghum vulgare) 1. Sorghum shoot fly Atherigona soccata Rond. (Muscidae: Diptera) Distribution: Occurs throughout the country. Nature of damage: The maggots bore into the shoot of young plants, a week after germination to about one month and as a result the central shoot dries up resulting in ‘dead …

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