Arthropods

Entomology

is the science that deals with the study of insects and other arthropod relatives such as spiders mites and ticks

Arthropods

Have segmented bilaterally symmetrical bodies equipped with several pairs of jointed appendages About 80 % of all known species of animals belong to the Phylum Arthropoda

Insect Morphology

deals with the study of comparative anatomy and the development of an insect's form and structure

Insect Ecology

study of insect which deals with the interrelationship to its environment

Insect Physiology

science that deals with the study of the physical and chemical changes in the insect body or the functions of the forms and structures

Forest Entomology

deals with the study of the insect communities in the forest ecosystem

Medical Entomology

deals with the study of insects that parasitize man and domesticated animals , those that serve as vector of human and animal diseases

Economic Entomology

the part of the science that deals with the species that is actually or potentially important in beneficial or injurious manner

Prosoma cephalothorax

Chelicerae , pedipalps , 4 Pair Legs , Simple Eyes No antenna

Opisthosoma

No locomotor appendages , gonopore hidden in anterior part of ventral surface

Insect Head

Compound Eyes , Antenna , Mouthpart

Prognathous

head direction forward ( ex : weevil

Hypognathous

Downward ( Grasshopper

Opisthognathous

Towards abdomen ( Hemipterans

Vertex

top of head

Frons

Face

Clypeus

transverse of sclerite below the frons

Gena

transverse Cheek

Occiput

horse collar shape at back of head

Compound

Large eyes for vision

Simple Eyes

0-3 detecting light / darkness

Scape

Basal Segment that articulates with the head capsule

Pedice

Second antennal segment

Flagellum

All remaining segment individual called flagellomeres )

Aristate

pocket like with hair or spine

Lamellate

Clubbed like

Serrate

Saw like

Flabellate

Fan like

Moniliform

String of bead

Geniculate

Elbow Shape

Plumose

brush or feather like

Pectinate

Comb like

Setaceous

hair like

Stylate

- final segment

Clavate

Club like

Labrum

Upper lip

Labium

Lower Lip

Mandibles

Jaw

Hypopharynx

tongue

Chewing

Mouth of Crickets Earwigs Termites Beetles Grubs Caterpillars

Piercing sucking

Mouth of Hemiptera Mealybugs Mosquito

Rasping sucking

Mouth of Thrips Mites

Siphoning

Mouth of Moths Butterfly

Sponging

Mouth of Flies

Chewing Lapping

Mouth of Wasps Bee

INSECT THORAX

Prothox Mesothorax Metathorax

Cursorial Legs

Running Cockroach Ground and Tiger Beetles

Fossorial

Digging Mole Crickets Cicada

Raptorial

Grasping Mantids

Saltatorial

Jumping Grasshopper Crickets

Natatorial

Type of Legs of Swimming Aquatic beetle

WINGS

Used for flight but can be for protection

Apterygote

insects that lack wings

Pterygote

that winged insects

Veins

thickened lines on the wings

Cells

membranous area between veins

Venation

pattern of veins and crossveins

Elytra

Hard Sclerotize for protection: Beetle Earwig

Hemelytra

Front leathery parchment like: Rambutan bug

Tegmina

Complete Leathery: Cockroach Grasshopper

Haltere

Club like stabilizer back wings: fly bee

Fringed Wings

Slender font long fringe hair: Thrips

Scaly wings

Flattened setae or scale: Butterfly Moths

Membranous

Thin transparent: Ants Wasp True Flies

Pincers Cerci

Heavily sclerotize forcep like

Median Caudal Filament

Thread like

Cornicles

Paired secretory structure located

Abdominal prolegs

Fleshy locomotory appendages ( o nly in larva

Sting

Modified ovipositor found in females of ; ant beed wasp )

Abdominal Gills

Respiratory organ

Furcula

Springtail jumping organ

Collophore

Fleshy peg like