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| description |
Bluish overall with uniformly blue wings, thorax, and head. There is a slight, faint curved row of white spots at the base of the wing cells near the tips, along the apical crossveins; this may not always be present. The legs are yellowish, and the abdominal segments seem to be outlined in yellow. The phallus (reproductive claspers) are well-developed and very large in mature individuals (see above); the phallus has a claw-like, jagged shape to the opening. The lower branch of the subapical process of the male genitalia is bufurcate, sometimes bearing teeth (C. Bartlett pers. comments). |
| distribution |
Transcontinental, found across the United States and Canada (UDEL) |
| abundance |
A couple records from the mountains and Coastal Plain. |
| seasonal_occurrence | |
| habitat |
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| plant associates |
Derbidae are known or assumed to feed on fungal hyphae as immatures. Adults have been associated with Platanus occidentalis (American sycamore, Platanaceae). (UDEL) |
| behavior |
Probably can be attracted at night with a light. |
| comments |
A majority of Cedusa look very similar externally, appearing bluish overall. The only way to make a positive ID for many of the species at this point is to examine the genitalia of the males. Therefore, a male specimen is necessary for many species' identifications. Detailed, clear photographs of the male underside showing the genitalia can also be helpful, and perhaps the hope is that after observing enough specimens of a particular species, there may be slight external features that can be associated with an ID.
This particular species is closely related to incisa and therefore has similarly-shaped reproductive claspers; see each respective page to compare images. |
status |
[Native:]
[Introduced:]
[Extirpated:] | | list_type |
[Official:]
[Provisional:] |
| adult_id | Unmistakable and widely known Identifiable from good quality photos of unworn specimens
Identifiable from photos showing undersides, or other specialized views [e.g., legs, face]
Identifiable only by close inspection of structural features or by DNA analysis NULL |
| nymph_id | Unmistakable and widely known Identifiable from good quality photos, especially where associated with known host plants
Identifiable from close inspection of specimens or by DNA analysis
Identifiable only through rearing to adulthood NULL |
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Species Photo Gallery for Cedusa kedusa No Common Name |
 | Photo by: Kyle Kittelberger
Ashe Co.
Comment: collected by Bo Sullivan; male |  | Photo by: Kyle Kittelberger
Ashe Co.
Comment: collected by Bo Sullivan; male |
 | Photo by: Kyle Kittelberger
Ashe Co.
Comment: collected by Bo Sullivan; male |
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