All habitats except saltwater - replaced by crustacea there a. Freshwater b. Terrestrial c. Ocean beaches 2. Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons). If the word ‘bedbug’ gets out, it scares a lot of people away.” Mike Lawton, Entomologist for Western Exterminator on the return of the bedbug. Taxonomist A.D. Imms proposed a classification of insect. It is the most diverse group of organisms on earth. Insects have a hard protective covering called an exoskeleton. Characteristics of: Class Insecta Adult Insect Characters: • 3 pairs of legs • 3 body regions (head, thorax, abdomen) • Zero, 1, or 2 pairs of wings • 1 pair of antennae . the major and distinguish characteristics of class insecta are: their body consists of three regions head thorax abdomen 2. second thorax has definite three segments while abdomen has … Insects (Insecta) are the most diverse of all animal groups.There are more species of insects than there are species of all other animals combined. CLASSIFICATION OF CLASS INSECTA UPTO ORDERS Insect is a six legged arthropod. their insect prey on flowers Then And now … “They’ve had an incredible impact on high-end hotels. In head a pair of antenna and a pair of compound eyes are usually present. Body is divided into three regions 2. Nabidae - the damsel bugs Predaceous on various insects including aphids and caterpillars Many Arachnids also possess more complex structures, called 'Trichobothria'. Insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Class Hexapoda (Insecta) Insect Characteristics4 4. Very species rich 2. Insect Orders - Introduction5 5. Their numbers are nothing short of remarkable — both in terms of how many individual insects there are, as well as how many species of insects there are. All habitats except saltwater - replaced by crustacea there a. Freshwater b. Terrestrial c. … NJMH is working as Deputy Conservator of Forests in Balochistan Forest & Wildlife Department (BFWD). The Insects - Class Insecta. Three Body Regions 2. Absence of Wings - Arachnids lack wings unlike Insects. Ø Abdomen usually with 11 segments. Class Insecta contains all insects and belong to the phylum Arthropoda. Insects are cold blooded and have six legs, three main body parts and an exoskeleton. Learn more about insects, both their similarities and their differences. Phylum : Arthropoda (with several classes) Class: Insecta (Hexapoda) Characters of class Insecta 1. VERY important! Characteristics a. Diet: Many crustaceans are scavengers, feeding on scraps and dead creatures. 2 pairs of wings (most) except flies (1 pair of wings - Diptera) B. 3. Ø Respiration through tracheae Crabs, shrimp, and prawns search for food mainly at night and hide in crevices by day. Credit: Horia Varlan/CC-BY 2.0. Three pairs of legs 3. Insects Classification ———-For Correction and Improvements please use the comments section below. How you can identify insects •Know the basic body parts used as diagnostic characters. Class Insecta - The insects A Introduction 1. 2003. Distribution 1. Find out how insects are classified in orders, families, genera and species. The anterior region of body is the head, which bears one pair of compound eyes, usually 3 simple eyes- each of which called ocelli, one pair of unbranched antennae and paired mouthparts. The Diagnostic Characteristics of Insecta: The Diagnostic Characteristics of Insecta? Very adaptable C. External Anatomy 1.