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| synonym |
Oncopsis truncata |
| description |
Males have a face that is distinctly bowed in profile, and the pronotum is arched and strongly declivous anteriorly. Males are ferruginous, with the face marked black on the lower half; the legs are tawny yellow. The tegmina is a deep ferruginous in the males, darker along the costa, the crossveins, the apex, and along the commissure between the pale markings/spots. Females have a weakly bowed face that recedes in profile. Females are ferruginous overall, being darker on the scutellum; sometimes they have a fuscous band across the pleura. The legs are pale ferruginous to tawny yellow and are conspicuously banded, with the femora being ferruginous, chocolate-brown, or blackish-brown color. The tegmina is similar to the male's, but paler and semihyaline ferruginous; usually it is not as dark on the costa compared to the male. The female pregenital sternite is semicircular to quadrate, and is usually infuscated along the margins. Adult males are 4.6 to 4.9 mm long, while females are 4.7 to 5.0 mm. (Hamilton 1983)
Nymphs of this species are ferruginous, with the base of the abdomen paler. (Hamilton 1983) |
| distribution |
Previously known from New Hampshire south to northern Virginia and west to Nebraska (Hamilton 1983); now known from North Carolina. |
| abundance |
Rare, recorded recently from the upper Piedmont. |
| seasonal_occurrence | |
| habitat |
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| plant associates |
Monophagous on American hazel (Corylus americana) (Hamilton 1983) |
| behavior |
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| comments |
"The colour of the male, the banded femora of the female, and the steeply declivous pronotum are unique" (Hamilton 1983). |
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 |
| G_rank |
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| S_rank |
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| rank_comments |
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| tribe |
Macropsini |
| subgenus |
Oncopsis |
Species Photo Gallery for Oncopsis truncatus No Common Name |
 | Photo by: Robby Deans
Forsyth Co.
Comment: Oncopsis truncatus - unid_leafhopper |  | Photo by: Robby Deans
Forsyth Co.
Comment: Oncopsis truncatus - unid_leafhopper |
 | Photo by: Robby Deans
Forsyth Co.
Comment: State record; likely male |  | Photo by: Robby Deans
Forsyth Co.
Comment: State record; likely male |
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