|

Results and Discussion
2000 © Elaine R. Hodges
Illustrations of the genitalia of a gynandromorphic tortricid moth, Acleris celiana, in dorsal and ventral views demonstrate homologies between male and female parts. The male uncus and female ovipositor lobes both appear to have arisen from the tenth abdominal segment. This is especially obvious in dorsal view and provides further confirmation of the origin of these structures.
 |
|
Fig. 1. Gynandromorph
Specimen USNM 26293.
Fig. 2. Normal female
Specimen USNM 26294 |
|
|
|
Fig. 3-10: Normal male is drawn from specimen USNM 26292, and the gynandromorph is specimen USNM 26293
 |
|
3. Normal male without valves (structures for grasping the female).
4. Normal male tegumen (abdominal segments nine and ten).
5. Gynandromorph tegumen. |
|
|
|
Figs. 6, 8, 9. show the gynandromorph genitalia in situ in abdomen.
6. Lateral view of abdomen.
7. Sclerotized hourglass-shaped sclerite in the normal male eighth tergum (dorsal abdominal plate).
8. Deformed sclerotized sclerite in gynandromorph's eighth tergum.
9. Apophysis anterioris (supporting "skeletal" structure for female's genitalia), an almost normal one to the left of number 9 and possibly a vestigial one to the right of the number 9, in the eighth abdominal segment.
10. Normal male eighth sternum (ventral abdominal plate). Compare this with the gynandromorph's male eighth sternum shown in figure 6: sternum VIII.
Question-marks indicate structures that could not be identified.
Acknowledgements: J.F.G. Clarke, P.T. Dang, R.W. Hodges, E.C. Knudsen, Alma Solis

Copyright © 2000 GNSI - Guild of Natural Science Illustrators - All rights reserved. Last Updated: Nov. 26, 2000.
|