2002
DOI: 10.1590/s1519-69842002000400015
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Abstract: Trichogramma bruni is an insufficiently studied South American species whose limits are still not well defined. Thus, the objective of the present study was to characterize T. bruni taxonomically and to determine the association between morphological variations as well as host and habitat, based on morphological and biological studies. Specimens from the Escola Superior de Agricultura "Luiz de Queiroz" (ESALQ) collection, and from the University of California Riverside (UCR) and specimens collected from the ve… Show more

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Cited by 17 publications
(5 citation statements)
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“…In others, as with T. platneri and T. minutum, it was only after morphologically identical cultures failed to cross were species even suspected (Nagarkatti 1975). Similar studies were also useful in separating two species from South America (T. bruni and T. lasallei Pinto) (Querino and Zucchi 2002a) (Table 7.3). Reproductive compatibility does not always clearly coincide with species limits, however, in certain species, such as T. deion, varying levels of hybridization occur ranging from complete compatibility to complete incompatibility with certain cultures displaying partial incompatibility (in one or both directions) (Pinto et al 1991).…”
Section: Reproductive Methodsmentioning
confidence: 92%
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“…In others, as with T. platneri and T. minutum, it was only after morphologically identical cultures failed to cross were species even suspected (Nagarkatti 1975). Similar studies were also useful in separating two species from South America (T. bruni and T. lasallei Pinto) (Querino and Zucchi 2002a) (Table 7.3). Reproductive compatibility does not always clearly coincide with species limits, however, in certain species, such as T. deion, varying levels of hybridization occur ranging from complete compatibility to complete incompatibility with certain cultures displaying partial incompatibility (in one or both directions) (Pinto et al 1991).…”
Section: Reproductive Methodsmentioning
confidence: 92%
“…Thus, in the case of T. bruni, a common species in South America, host and habitat, in addition to individual differences, are known to cause profound variation in the shape of the T. rojasi), based on the analysis of morphometric variables (Querino and Zucchi 2002a) dorsal lamina (Querino and Zucchi 2002a) (Fig. 7.9).…”
Section: Intra-specific Variationmentioning
confidence: 99%
“…Such identifications were originally based exclusively on the external morphology of adult specimens but, following the studies of Nagarkatti and Nagaraja (1977), another alternative take into consideration the morphological characteristics of male genitalia (Querino et al, 2010). However, despite the substantial practical applications of Trichogramma parasitoids, studies of members of this genus are complicated by their complex taxonomy, minute size, the occurrence of intraspecific variations and the appearance of cryptic species (Pinto et al, 1989;Querino and Zucchi, 2002;Querino et al, 2002).…”
Section: Introductionmentioning
confidence: 99%
“…Heliconius butterflies feed on pollen, which allows them to live up to six months (Gilbert 1972). Despite the well-known ecological interactions and evolutionary history of Heliconiini butterflies, only very few studies have identified some of their natural enemies to species level (Guerrieri et al 2010; Querino and Zucchi 2002, 2003a,b; Zhang et al 2005; Zucchi et al 2010). We conducted a study of the egg parasitoid community of Heliconiini butterflies on Passiflora plants in a tropical lowland rainforest in Panama and found that most species of parasitic wasps were not yet described.…”
Section: Introductionmentioning
confidence: 99%