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Scambus
Photo#857553
Copyright © 2013
Charley Eiseman
Parasitoid of Cameraria hamameliella -
Scambus
-
Copake Falls, Columbia County, New York, USA
October 21, 2013
Size: 2.7 mm
Much smaller and more faintly colored, but seems to be the same as this one from the same host:
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Contributed by
Charley Eiseman
on 21 October, 2013 - 3:24pm
Last updated 21 October, 2013 - 5:02pm
Moved
Moved from
Ichneumon Wasps
.
…
Bob Carlson
, 21 October, 2013 - 5:02pm
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Cheek
The cheek is inflated in the same way as that in the thumbed image. This might be
Scambus
, but the small size and the elongation of the areolet seem a bit anomalous.
Alophosternum foliicola
Cushman is a small species with an elongate areolet that has been reared from leaf-mining sawflies and microleps, including one species of
Cameraria
, but the face, frons, scape, cheek, etc. are white in males. According to TaxaPad,
Scambus decorus
Walley has also been reared from a species of
Cameraria
. That is a rather small species of
Scambus
(front wing 2.5 to 4.2 mm), but Walley says the front coxa is mostly black in males.
Scambus inanis
(Schrank) has also been recorded from
Cameraria
but apparently not in North America. That species was misidentified as
Scambus nucum
(Ratzeburg) by Walley (1960). Walley said that the hind coxa is usually black in that species. For some species of
Scambus
, the shape of the underside of the front femur is diagnostic.
…
Bob Carlson
, 21 October, 2013 - 4:09pm
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