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Rhagoletotrypeta annulata Aczél

Recognition
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Except for R. argentinensis, which differs by its very strongly curved subapical band, R. annulata differs from all other species of Rhagoletotrypeta for which the female is known by the shape of its aculeus tip, which is flattened in the sagittal plane and trilobed in lateral view. R. morgantei, which is known only from the male and also could have this type of aculeus, differs from R. annulata in lacking apical white bands on abdominal tergites 3 and 4.

The male from Costa Rica has a shorter medial white scutal stripe and more extensive dark brown markings on the back of the head, but is tentatively considered conspecific with the Mexican specimens. Its wing pattern differs from that of the holotype in having the subapical band straight anteriorly rather than basally curved, and the hyaline area between the discal and apical band is extended to vein Cu₁, but both of these characters vary within the large Tamazunchale series as does the location of the dorsocentral seta, from slightly posterior to the postsutural supra-alar seta to almost midway between it and the postalar seta.

Classification and Evolutionary Relationships
Order: Diptera. Family: Tephritidae. Subfamily: Trypetinae. Genus: Rhagoletotrypeta. Species: annulata. Author: Aczél.
Relationships among the species of Rhagoletotrypeta were analyzed by Norrbom (1994). Click here for more detailed discussion of Rhagoletotrypeta phylogeny. Rhagoletotrypeta annulata belongs to the annulata species group and appears to be most closely related to R. morgantei and R. argentinensis.

Names Used for this Species
Rhagoletotrypeta annulata Aczél 1954: 142.
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Type Data
Holotype - Male (USNM), MEXICO: San Luis Potosí: Tamazunchale, reared ex. fruit Celtis sp., 31 Oct - 19 Nov 1939, J. G. Shaw.

Distribution
Rhagoletotrypeta annulata is known from Mexico (San Luis Potosí, Tamaulipas) and Costa Rica.
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Specimen data
COSTA RICA: Puntarenas: Res. Biol. Carara, Estac. Quebrada Bonita, 50 m, Oct 1989, R. Zuniga, 1m (INBio). 
MEXICO: San Luis Potosí: Tamazunchale, reared ex. fruit Celtis sp., 31 Oct - 19 Nov 1939, J. G. Shaw, 1m holotype, 1 m paratype (USNM).
MEXICO: San Luis Potosí: Tamazunchale, Campo El Sol, reared ex. fruit of granjeno huasteco, emerged Oct-Nov 1939, 5m20f (USNM, IEXV).
MEXICO: Tamaulipas: La Libertad, 25 Sep 1987, J. Leyva, 1f (USNM).
MEXICO: Tamaulipas: Cañon de Rosario, Santa Engracia, reared from fruit of granjeno huasteco, emerged 26 Sep 1939, 1f (USNM).

Biology
Rhagoletotrypeta annulata breeds in fruits of Celtis pallida Torr. (Ulmaceae), in northern Mexico commonly known as granjeno huasteco. Other aspects of its biology are poorly known.

Economic Significance
Rhagoletotrypeta annulata is not considered economically important.

References
Click here to access fruit fly literature database
Aczél, M. L. 1954. Géneros y especies de la tribus Trypetini 4. El género Rhagoletotrypeta y nuevas especies de Tomoplagia y de Zonosemata (Diptera, Tephritidae). Dusenia 5: 137-164. [p. 142, description]
Foote, R. H. 1966. The genus Rhagoletotrypeta, with a new Nearctic species (Diptera: Tephritidae). Ann. Entomol. Soc. Amer. 59: 803-807. [p. 804, in key; p. 806 (in part), misidentification of uniformis]
Foote, R. H. 1967. Family Tephritidae (Trypetidae, Trupaneidae). In N. Papavero, ed., A Catalogue of the Diptera of the Americas South of the United States. Departmento de Zoologia, Secretaria da Agricultura, São Paulo. Fasc. 57, 91 pp. [p. 41, catalog]
Norrbom, A. L. 1994. New species and phylogenetic analysis of Cryptodacus, Haywardina, and Rhagoletotrypeta (Diptera: Tephritidae). Insecta Mundi 8: 37-65. [p. 53, diagnosis, phylogenetic relationships]
Norrbom, A. L., L. E. Carroll, F. C. Thompson, I. M. White & A. Freidberg. 1999. Systematic database of names, pp. 65-251. In F. C. Thompson (ed.), Fruit Fly Expert Identification System and Systematic Information Database. Myia (1998) 9, vii + 524 pp. & Diptera Data Dissemination Disk (CD-ROM) (1998) 1. [p.   , in catalog]
Steyskal, G. C. 1981. A new species of Rhagoletotrypeta (Diptera: Tephritidae) from Texas, with a key to the known species. Proc. Entomol. Soc. Wash. 83: 707-712. [p. 709, in key, diagnosis]

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