Science Image Library - Invertebrate Photos

Science Image Library

from Science Prof Online
Virtual Cell Biology

You have free access to a large collection of materials used in a college-level introductory Cell Biology Course. The Virtual Cell Biology Classroom provides a wide range of free educational resources including Power Point Lectures, Study Guides, Review Questions and Practice Test Questions.
Endomembrane System of a Eukaryotic Cell, Mariana Ruiz

Eastern Tiger Swallowtail Butterfly

All five photos of Eastern tiger swallowtail (Papilio glaucus) on coneflower (Echinacea purpurea).
1 & 2. Two cicada exoskeletons, southwest Michigan; 3. Eastern firefly (Photinus pyralis), southwest Michigan; 4. Honey Bee (Apis mellifera) temporary swarm; 5. Human body louse, female @ 40xTM
1 - 3. Hard scale insects on Phalaenopsis orchid; 4 & 5. ​Boisduval scale insect on Phalaenopsis orchid.
Page last updated 5/2014
Butterfly Photos (Click on image to enlarge.)
Scale Insect Photos (Click on image to enlarge.)
Other Insect Photos (Click on image to enlarge.)
Animals Photo Button
Other Invertebrate Photos (Click on image to enlarge.)
Protozoa Photos (Click on image to enlarge.)
1. Euglena @400xTM; 2. Formanifera @100xTM; 3. Protozoans @100xTM; 4.​ Trypanisoma, cause of African sleeping sickness @400xTM
1. Deer tick Ixoides  @40xTM; 2. Hydra @40xTM; 3. Obelia @40xTM; 4.​ Trichinella spirallis in muscle tissue @ 100xTM;l 5. Tunicate larvae, closely related to vertebrates @100xTM
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The SPO Science Image Library is a continuously growing collection of copyright- free science photographs. If you use one of our free, low-res images, we just ask that you give us credit and provide a link to the SPO website  (  
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Dugesia a Type of Planarian Flatworm

We are keeping Dugesia! These cute, cross-eyed "immortal worms" have an almost limitless ability to regenerate. Even a small piece of one can grow onto a new worm! 

Click here 
 to meet our flatworms!

1, 2 & 3. Dugesia flatworms. Not crossed eye-spots in first two photos; 4. Planarian flatworm winter eggs of Dugesia. Viewed with dissecting microscope; 5. Full flatworm on right. Fragmented head, without body, on left.
Planarian Flatworm Dugesia Photos (Click on image to enlarge. Click here for more.)