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Species Rindgea cyda - Mesquite Looper Moth - Hodges#6415

Moth - Rindgea cyda Moth 9 - Rindgea cyda Rindgea cyda? - Rindgea cyda Moth ID? - Rindgea cyda Rindgea cyda Singate Mesquite Looper Moth - Rindgea cyda Arizona Moth - Rindgea cyda Moth ID? - Rindgea cyda
Show images of: caterpillars · adults · both
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 Rindgea
Species cyda (Mesquite Looper Moth - Hodges#6415)
Hodges Number
6415
Synonyms and other taxonomic changes
Ringea cyda (Druce, 1893)
Eubolia cyda Druce, 1893
Semiothisa cyda
Digrammia cyda
Phylogenetic Sequence # 190275
Size
Forewing length: ♂ 10-13 mm, ♀ 10-15 mm.(1)
Identification
Adult: forewing ground color white but largely obscured by extensive dark transverse streaks; PM line thick, black, sinuous, interrupted by yellowish-orange blob near costa; AM and median lines blackish, diffuse, almost straight; band of dark gray shading immediately beyond PM line, followed by whitish transverse band representing a subterminal line; terminal line a series of black dashes; hindwing light yellowish-brown with conspicuous dark median line
* in south Texas Rindgea cyda can only be distinguished from the nearly identical R. s-signata by genitalia.(1)
Range
Louisiana to southern California.
Recorded as vagrants in Oklahoma, Arkansas, Missouri and Kansas.(1)

(its presence on a list from New York presumably represents an accidental record)
Season
Adults fly year round in the warmer areas.(1)
Adults fly from March to September in California.
Food
Larvae feed on mesquite (Prosopis spp.) and beardtongue (Penstemon spp.).
Remarks
The S-signata group consists of three very similar species. Please see notes on the range which is often helpful in determining the species.
Rindgea ballandrata
R. cyda
R. s-signata

6/5/2022 by Ann Hendrickson:
I have just discovered an error in the naming of the Male genitalia in the Ferguson fascicle on Page 340. Since I have made all of my identifications from the Male genitalia, I have missed this for YEARS!
I made this discovery when I recently reared Rindgea s-signata for the FIRST TIME. The mother dissects as the Ferguson R. s-signata while 5 males from the brood dissect as the Ferguson named Rindgea cyda photographs b & d! That would indicate that the female dissections are the ones that are correctly named.
The caterpillar posted on BOLD as TXLEP669-19, BIN, BOLD:AAF0914 was beaten from a Mesquite tree and matches Rindgea cyda, however, it is not Barcode compliant as is the comparison specimen. All of my barcode compliant specimens match. I am hoping that when I submit three specimens that dissect as R.s-signata, they will not match the others!
See Also
Macaria decorata and M. colata lack a yellowish-orange blob on PM line of forewing, their AM and median lines are not as straight, and they lack a median line on the hindwing.
Print References
DeLoach, C.J. 1983. Field biology and host range of a mesquite looper, Semiothisa cyda (Lepidoptera: Geometridae), in central Texas. Annals of the Entomological Society of America 76(1): 87-93.
Druce, H. 1993. Biologia Centrali-Americana Lepidoptera Heterocera 2: 177, 3: pl.58, f. 4
Ferguson, D.C. 2008. Moths of America North of Mexico. Fascicle 17.2. p.339, pl.8.51-54
Internet References
Moth Photographers Group - species page with photographs of living and pinned adults.
live adult image from Arizona in June (Larry Line, Maryland)
presence in California; list of 8 specimen records with dates and locations (U. of California at Berkeley)
Works Cited
1.The Moths of America North of Mexico, Fascicle 17.2, Geometroidea, Geometridae, Ennominae.
Douglas C. Ferguson . 2008. The Wedge Entomological Research Foundation.