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Tracks & Sign of Insects and Other Invertebrates
Field Guide updates, additions, corrections. Ongoing...
( taxa covered )

1. Eggs and Egg Cases
2. Pupae and Exuviae

3. Parasitism, Predation, and Other Causes of Death

4. Sign on Vertebrates

5. Droppings, Secretions, and Protective Coverings without Foreign Materials

6. Webs and Other Silken Constructions

7. Cocoons

8. Coverings, Cases, Retreats, and Nests Made from Foreign Materials

9. Sign on Algae, Fungi, and Plants

10. Leaf Mines

11. Leaf Shelters

12. Galls

13. Sign on Twigs, Stems, and Stemlike Structures

14. Sign on and in Wood

15. Sign on Rocks and Shells

16. Burrows and Mounds

17. Molelike Excavations and Simple Surface Trails

18. Tracks and Trails

Take a crack at figuring out some of the unidentified eggs at
p. 10 Bamboo worm (Maldanidae) eggs, mass 1.5 cm long (FL).
p. 16 Based on the location, the pictured dobsonfly egg mass rings are from Corydalus texanus.
p. 16 Photo of ambush bug (Phymata) eggs at
p. 17 Click here and scroll down to see an image of the robber fly depositing the egg mass shown in this photo. There is a similar shot of Megaphorus minutus here.
p. 18 More about brochosomes (page by Roman A. Rakitov)
p. 41 Click here for a much larger, uncropped image of this beautiful Philoponella oweni female.
p. 50 Detail of the same alderfly eggs, with the micropylar knobs clearly visible. Click here to see the hatchlings (both alderfly and Trichogramma) from a similar egg mass.
p. 51 Detail of the same Podisus eggs.
p. 54 Don't strain yourself trying to see the giant water bug's face peeking out of the sediment--it was cropped out of the picture! This uncropped version shows the bug's face, circled in red. Click the image for a clearer view of the same individual.
p. 55 Detail of the same water boatman eggs.
p. 56 Click here to see the deer fly that laid the eggs on the left.
p. 59 The eggs on this page are presumed to be from an Aphidoletes midge.
p. 65 The caption at the bottom should read "(Acrididae: Camnula pellucida)", not "(Acridae: Cammula pellucida)". Both the family and genus are misspelled.
p. 71 Detail showing the texture of the bruce spanworm egg.
p. 72 Detail of the large yellow underwing eggs.
p. 73 Correction: Cabbage whites typically lay their eggs singly.

Images ©Charley Eiseman/Noah Charney