Charts, Diagrams, and Drawings


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For other uses, contact the Department of Entomology. The images should not be downloaded to other websites but may be linked to other sites for educational uses.


ANATOMY (Grasshopper)
  1. Circulatory System
  2. Digestive-Excretory
  3. Nervous System
  4. Reproductive System
  5. Respiratory System

  1. Comparison of Pharoah Ant and Thief Ant Workers

  1. Difference Between a Bed Bug and a Bat Bug

  1. Armyworm Identification
  2. Black Cutworm Identification
  3. Black Cutworm Damage
  4. Bronzed Cutworm Identification
  5. Fall Armyworm Identification
  6. Variegated Cutworm Identification
  7. Squash Vine Borer Damage Symptoms

  1. Seasonal Distribution of Major Turfgrass Pests

  1. Brown Recluse Identification
  2. Brown Recluse Bite Symptoms
  3. How to Recognize the Sexes Among Spiders

Breaking Entomological News...

  • Insect Science major Earl Agpawa (conducting undergraduate research with Joe Louis and Eileen Hebets) was named the 2020 winner of the ESA’s Plant-Insect Ecosystems Undergraduate Student Achievement Award.This is a national award that recognizes outstanding accomplishments in entomology by an undergraduate student working with insect-plant interactions. Congratulations, Earl!
  • PhD student Sajjan Grover (mentored by Joe Louis) was named the 2020 winner of the ESA’s Plant-Insect Ecosystems Kenneth and Barbara Starks Plant Resistance to Insects Graduate Student Award. This is a national award recognizing a graduate student for outstanding work in the area of host plant resistance. Congratulations, Sajjan!
  • Dr. Joe Louis receives a grant to study resistance in sorghum to fall armyworm
  • Check out the Emerald Ash Borer Resource Center, and our Emerald Ash Borer Look-Alike Insects Sheet - Be Sure Before You Treat!