Noctuidae - Stiriinae




Lineostriastiria biundulalis (Zeller)

Sedenia biundulalis Zeller, 1872, Verh. Zool.-Bot. Ges. Wien, 22:502.

Diagnosis: The characters separating this species from sexseriata are given under that species. The forewing is cream white with black antemedial and postmedial lines. A row of black dots is almost always missing from the forewing subterminal area but some black dots are occasionally weakly present in some females. The hindwing is concolorous with the forewing. Wing length from base to apex: mean = 11.49 mm., standard deviation = 0.46 mm., n = 10.

Distribution: Lineostriastiria biundulalis is widely distributed in eastern and central Texas. It is found in Cottle county in the north and ranges southward through the central region of the state. The species is apparently not rare, but the specimens seen have a curiously spotty distribution. What these localities have in common is unknown. The species does not seem to occur in western Texas, but a couple of specimens have been collected in southeastern Texas. A moderate amount of variability exists in biundulalis. Some females have very thick antemedial and postmedial lines and the subterminal area is lightly suffused with gray. Likewise a few females have a series of weak, black dots in the subterminal area. Females tend to be slightly darker than males.

Adults have been collected in May and then again in late summer and early autumn. Two generations are possibly present.

Identification Quality: Excellent

Larva: Unknown

Foodplants: Unknown


Lineostriastiria biundulalis


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