The knowledge of biology and the life spans of neotropical microlepidoptera, including Tortricidae, is limited. There are no available references to any aspect of the biology of described species of Sparganothina. The eggs of Sparganothina are dark ochreous to orange-tan or deep peach colored, similar to those of Sparganothis and Paramorbia. In contrast, the eggs of Coelostathma, as well as those of Sparganothis, Sparganopseustis, Platynota, and Amorbia, are green. Collection data are insufficient for most species of Sparganothina and “Coelostathma” to interpret seasonal flight periods. Members of these two groups have been collected in every month of the year in Costa Rica, where parataxonomists of the Instituto Nacional de Biodiversidad have made a seasonally comprehensive effort to inventory microlepidoptera. The development then proceeded without diapause in all the Sparganothina and “Coelostathma” eggs observed.
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