GRP 5: Forficulidae

Sample information

Picture
Entry by: Lorena Guerrero
Location
Collection date 04/13/2026
Captive / Cultivated? Wild-caught
Group California Academy of Mathematics and Science
Observations

Order: Dermaptera

Family: forficulidae

Size & Shape:

  • Elongated, flat bodies, about 0.5 to 0.75 inches long. Colors range from reddish-brown to dark brown or black.
  • They have short, leathery wing covers, though they are weak flyers and rarely fly.

Diet:

  •  They eat decaying organic matter, but will also chew holes in flower petals, soft fruit, and young seedlings. They act as partial pest control by eating aphids and mites.

Reproduction

  • Remarkably good mothers; females build burrows, brood their eggs, and protect the young for several months
Putative identification Arthropoda Insecta Dermaptera Forficulidae

Methods

Extraction kit DNeasy (Qiagen)
DNA extraction location Abdomen
Single or Duplex PCR Duplex Reaction
Gel electrophoresis system agarose gel electrophoresis
Buffer 1X TAE
DNA stain UView
Gel images
Protocol notes

DNA Extraction

We dissected the Rolly Polly by isolating its abdomen to crush it for our sample DNA extraction.

Gel Electrophoresis

The following lane order for our gel:

  1. N/A
  2. N/A
  3. Ladder
  4. Sample #1 – Moth
  5. Sample #2 – Rolly Polly
  6. Sample #3 – Fly
  7. Sample #4 – Pincher
  8. Sample #5 – Spider
  9. Wolbachia Positive Control
  10. Wolbachia Negative Control
  11. Positive DNA
  12. N/A
  13. N/A
  14. N/A
  15. N/A

Results

Wolbachia presence Yes
Confidence level High
Explanation of confidence level

Given that the first run of our gel electrophoresis resulted in invalid data, we had to rerun our samples in our to get valid results. Our confidence levels were low at first but once we ran out gel and got bands for all of our wells. We are more than confident that our results are reliable due to our extensive precautions that we took and the multiple trial and errors.

Wolbachia 16S sequence
Arthropod COI sequence
Summary The Forficulidae was found to be postive for Wolbachia.
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