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Entomology Cheat Sheet, Cheat Sheet of Biology

Biology

It is a entomology cheat sheet with all of the information you would need.

Typology: Cheat Sheet

2025/2026

Uploaded on 02/21/2026

bob-batt
bob-batt 🇺🇸

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ENTOMOLOGY C – ELITE MASTER COMPETITION CHEAT
SHEET (2026)
Optimized for Identification • Applied Questions • IPM • Dichotomous Keys
• Speed Reference
Structured according to official training handout format and National Insect
List.
SECTION 1: TAXONOMIC FRAMEWORK
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Mandibulata
Superclass: Hexapoda
Class: Insecta
Non-Insect Arthropods Included: Subclass Acari (Ticks)
Competition Scope:
• 26 Orders
• 2 Subclasses (Entognatha, Acari)
• 100+ Families
• Identification to Order and Family
• Applied ecological, anatomical, and IPM questions
SECTION 2: EXTERNAL ANATOMY (VISUAL IDENTIFICATION
PRIORITY)
Body Segmentation:
• Head
• Thorax (Pro-, Meso-, Meta-)
• Abdomen
Thorax Features:
• 3 pairs of legs
• Wings attach to meso- and metathorax
Abdominal Features:
• Spiracles (respiration)
• Cerci (earwigs)
• Ovipositor (wasps)
pf3
pf4
pf5

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Download Entomology Cheat Sheet and more Cheat Sheet Biology in PDF only on Docsity!

ENTOMOLOGY C – ELITE MASTER COMPETITION CHEAT

SHEET (2026)

Optimized for Identification • Applied Questions • IPM • Dichotomous Keys

  • Speed Reference Structured according to official training handout format and National Insect List.

SECTION 1: TAXONOMIC FRAMEWORK

Kingdom: Animalia Phylum: Arthropoda Subphylum: Mandibulata Superclass: Hexapoda Class: Insecta Non-Insect Arthropods Included: Subclass Acari (Ticks) Competition Scope:

  • 26 Orders
  • 2 Subclasses (Entognatha, Acari)
  • 100+ Families
  • Identification to Order and Family
  • Applied ecological, anatomical, and IPM questions

SECTION 2: EXTERNAL ANATOMY (VISUAL IDENTIFICATION

PRIORITY)

Body Segmentation:

  • Head
  • Thorax (Pro-, Meso-, Meta-)
  • Abdomen Thorax Features:
  • 3 pairs of legs
  • Wings attach to meso- and metathorax Abdominal Features:
  • Spiracles (respiration)
  • Cerci (earwigs)
  • Ovipositor (wasps)
  • Tail filaments (2 = stonefly, 3 = mayfly) Head Structures:
  • Compound eyes
  • Ocelli (simple eyes)
  • Antennae (1 pair)
  • Mouthparts (Labrum, Mandible, Maxilla, Labium) Antennae Types:
  • Filiform – threadlike
  • Clavate – gradual club
  • Capitate – abrupt club
  • Lamellate – fan-like plates
  • Geniculate – elbowed
  • Plumose – feathered
  • Setaceous – bristle-like

SECTION 3: MOUTHPART SPECIALIZATION

Chewing – Mandibulate (Beetles, Grasshoppers) Piercing–Sucking – Rostrum (Hemiptera, Mosquitoes) Siphoning – Coiled Proboscis (Butterflies) Sponging – Labial sponge (House flies) Chewing–Lapping – Bees Rasping–Sucking – Thrips

SECTION 4: WING TYPES (PRIMARY ORDER SEPARATOR)

Elytra – Hardened forewings (Coleoptera) Hemelytra – Half hardened (Hemiptera) Scaled Wings – Lepidoptera Membranous – Hymenoptera, Odonata Halteres – Diptera (balance organs)

SECTION 5: METAMORPHOSIS CLASSIFICATION

Ametabolous – No metamorphosis (Protura, Collembola) Hemimetabolous – Egg → Nymph → Adult (Odonata, Hemiptera, Orthoptera) Holometabolous – Egg → Larva → Pupa → Adult (Coleoptera, Diptera, Lepidoptera, Hymenoptera)

SECTION 8: DICHOTOMOUS KEY CONSTRUCTION GUIDE

Rules:

  • Use mutually exclusive traits
  • Start with broad visible differences
  • Use one less step than total organisms High-Yield Starting Traits:
  1. Wings present vs absent
  2. 2 wings vs 4 wings
  3. Hardened forewings vs not
  4. Narrow waist vs not
  5. 6 legs vs 8 legs
  6. Antenna type

SECTION 9: 30-SECOND ORDER IDENTIFICATION FLOW

  1. Count legs (6 vs 8)
  2. Examine wings (elytra? halteres? scales?)
  3. Look at antenna shape
  4. Check mouthparts
  5. Examine leg specialization
  6. Check abdomen for tails or cerci
  7. Consider habitat (aquatic vs terrestrial)

SECTION 10: FAMILY QUICK REFERENCE (HIGH-

FREQUENCY)

Coleoptera:

  • Carabidae – ground beetles
  • Coccinellidae – lady beetles
  • Scarabaeidae – scarabs
  • Cerambycidae – longhorn beetles Diptera:
  • Culicidae – mosquitoes
  • Muscidae – house flies
  • Syrphidae – hover flies
  • Tabanidae – horse flies Hymenoptera:
  • Apidae – bees
  • Formicidae – ants
  • Vespidae – wasps Hemiptera:
  • Pentatomidae – stink bugs
  • Reduviidae – assassin bugs
  • Cicadidae – cicadas