Tegeticula treculeanellaOlle Pellmyr
Wing expanse 19.5-29.5 mm. Forewing white, hindwing brownish gray. Male genitalia with aedeagus 1.65-1.8 mm long, 0.04 mm in cross section; female genitalia with posterior apophyses 5.7-5.8 mm long, large corpus bursae with signa 0.65-0.80 mm in diameter.
Similar in forewing coloration to other members of the yuccasella complex, but readily distinguished from other members of the complex based on genitalic characters. A diagnostic key is provided.
The species is known from the fleshy-fruited yucca Y. treculeana, including Y. torreyi Females oviposit into flowers (Pellmyr 1999). Eggs are laid inside the ovary, between the wall and the ovules, generally in the upper portion.The larva feeds on developing seeds. Pupation occurs in a cocoon in the soil.
The known range includes parts of Texas, New Mexico, and Coahuila.
Characteristic habitat is desert flats and low slopes in the Chihuahuan desert, and open shrubland and grassland in coastal regions. Altitudinal range 0 - 1350 m.
Pellmyr, O. 1999. Systematic revision of the Tegeticula yuccasella complex (Lepidoptera: Prodoxidae) north of Mexico. Systematic Entomology 24:243-271.
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Pellmyr, Olle. 1996. Tegeticula treculeanella http://tolweb.org/Tegeticula_treculeanella/12455/1996.01.01 in The Tree of Life Web Project, http://tolweb.org/. Version 01 January 1996 (under construction).