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Species Speranza austrinata - Hodges#6301.1

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Macariini
Genus Speranza
Species austrinata (Speranza austrinata - Hodges#6301.1)
Hodges Number
6301.1
Synonyms and other taxonomic changes
Speranza austrinata Ferguson, 2008(1)
Ferguson(2008) described this species distinguishing it from Speranza guenearia. (1)
Numbers
There are more than 50 Speranza species in America north of Mexico. (1)
Size
Forewing length:(1)
♀ 11-16 mm.
♂ 11-15 mm.
Identification
Yellow postmedial band is slightly irregular, often interrupted and not of uniform width.
There is usually some dark gray shading on both sides of yellow band often being a dark wedge shaped spot on the outer side of the band.(1)
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Range
California, from Los Angeles and Ventura counties to Baja. There is some overlapping with Speranza guenearia in the northern part of the range. (2), (1)
Season
Records of adults are mostly from April to June. (1)
Food
Larval host is redberry buckthorn, Rhamnus crocea. (1)
See Also
Speranza guenearia which differs by
Having a more straight yellow postmedial band of uniform width.
The costa is much more yellow.
There are no dark wedge shaped spots on the outer side of the yellow postmedial. band(1)
Print References
Ferguson, D.C., 2008. The Moths of America North of Mexico, Fascicle 17.2, Geometroidea, Geometridae, Ennominae. p. 146, f. 30e, 30g, pl. 3, f. 36-37. (1)
Internet References