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Photo#1047004
ootheca of Tenodera angustipennis - Tenodera angustipennis

ootheca of Tenodera angustipennis - Tenodera angustipennis
South Amboy, Middlesex County, New Jersey, USA
March 7, 2015

Oothecae
Stagmomantis carolina: Oothecae are fairly robust, elongate-oval in shape, measuring 7-15 mm wide, 15-25 mm long, and 6-7 mm tall. Distal end slightly concave with variable amount of residual process extending away from base; proximal end broadly rounded. Lateral surface ribbed, delimiting approximately 16–29 egg chambers. External wall golden brown to brownish-gray in color with wide, slightly raised, whitish-tan emergence area consisting of 36-62 teardrop-shaped openings placed alternately down center of dorsal surface.

Tenodera angustipennis: Oothecae are narrowed, elongate-oval in shape, measuring 25-47 mm long (not including residual material), 14-20 mm wide, and 10 mm high. Distal end tapered with sizeable amount of residual process extending away from base and onto oviposition substrate; proximal end narrowly rounded to somewhat flattened. Lateral surface somewhat rugose, with obscured ribs, delimiting approximately 22–35 egg chambers. External wall brownish-tan with wide, raised, tan-colored emergence area consisting of 28-40 closely spaced operculi lining down center of dorsal surface, bordered by a darker brown furrow on either side.

Moved

What are the differences
between the oothecae of Tenodera angustipennis and Stagmomantis carolina?

Moved
Moved from ID Request. This could also be Tenodera angustipennis. In any event, it is well-weathered and the nymphs emerged last spring, perhaps even earlier.

 
Tenodera angustipennis
I agree

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