Saga of the Flag Moth - Part 9
Dysschema sp.
16.7354, -92.6387
Field Notes
Description:
The first moths (a female and a male) emerged on the 7th of March, (Pictures 1 and 2). The last moth (a female) emerged on the 22nd of March). All emerged around midday, none at night or early morning. Emergence from the pupal case occurred in less than a minute (Pictures 3 and 4). The moths had their wings half extended in 14 minutes (Picture 5), fully extended at 31 minutes and ready to move and fly at 1 hour and 6 minutes (Last picture). We used Time Lapse Photography over several hours to catch the emergence sequence. In the pictures of the pupae, you can see the 2 pupal sizes, the larger size were all females (6 in total), the small size all males (8 in total). Because two molts occurred before pupation, we started with 3rd instar nymphs on the 28th of November 2012. Therefore, the life cycle between 3rd instar and adult was between 100 and 115 days. The female (Picture 1) has solid front wings and orange hind wings. The male (Picture 2) has large areas of both the front and hind wings clear. Both have the same color patterns on the head, thorax and abdomen. Details of the wing patterns do not match most other species of Dysschema.
Habitat:
San Cristobal de Las Casas, 2,200 meters.
Notes:
The Genus Dysschema of the Family Arctiidae is in desperate need of revision. There appears to be many species that are of unclear status and there appears to be a great deal of phenotypic variation in all of the species. None of the pictured species with distributions between Ecuador, Colombia, Venezuela and Mexico match these specimens. The closest seems to be what is sometimes called D. marginales (Venezuela) with synonyms (?) D. dissimulans or D. dissimulate of Colombia. There are 8 species of Dysschema listed for the neighboring state of Veracruz (no pictures): D. bivatta, D. humeralis, D. leucophaea, D. lycaste, D. magdala, D. mariamne, D. montezuma and D. zeledon. These specimens do not match any of those species. So, at the moment, the identification is being left at Dysschema sp.
Part 1: http://www.projectnoah.org/spottings/16531123/fullscreen.
Part 2: http://www.projectnoah.org/spottings/16713052/fullscreen.
Part 3: http://www.projectnoah.org/spottings/16913354/fullscreen.
Part 4: http://www.projectnoah.org/spottings/17030513/fullscreen.
Part 5: http://www.projectnoah.org/spottings/17021389/fullscreen.
Part 6: http://www.projectnoah.org/spottings/21407210/fullscreen.
Part 7: http://www.projectnoah.org/spottings/21407212/fullscreen.
Part 8: http://www.projectnoah.org/spottings/21579126/fullscreen.
Part 10: http://www.projectnoah.org/spottings/22111008/fullscreen.
Comments (3)