@article {330,
	title = {Review of the Nearctic Species of Leiophron and Peristenus (Hymenoptera: Braconidae: Euphorinae) Parasitizing Lygus (Hemiptera: Miridae: Mirini)},
	journal = {Zootaxa},
	volume = {1323},
	year = {2006},
	pages = {1-118},
	abstract = {Plant bugs belonging to the genus Lygus Hahn (Hemiptera: Miridae) are important pests of a wide variety of North American crops. Efforts to use biological control as one strategy in an integrated pest management approach have been impeded by a poor understanding of the endoparasitoids, particularly species of the genera Leiophron Nees and Peristenus Foerster (Hymenoptera: Braconidae) many of which parasitize the nymphal stages of Lygus, among other Miridae. The taxonomy of Leiophron and Peristenus species associated with agricultural habitats is reviewed based on reared material contributed by numerous researchers. Sixteen species of the two genera were found parasitizing Lygus nymphs, including the following eight species described as new, Leiophron australis Goulet, L. simoni Goulet, Peristenus braunae Goulet, P. broadbenti Goulet, P. carcamoi Goulet, P. dayi Goulet, P. gillespiei Goulet and P. otaniae Goulet. The species are differentiated in a key, described and illustrated. Two names are newly placed in synonymy, L. trigonotylidis Loan, 1974 under Leiophron lygivorus (Loan 1970) and Brachistes nocturnus Viereck, 1905 under P. mellipes (Cresson 1872). Euphorus mellipes Cresson is removed from synonymy with P. pallipes (Curtis). Most of the endoparasitoid species are known to be associated only with Lygus spp. and appear to be distinct in their distribution and their biology. Analysis of the endoparasitoid complex in southern Quebec shows that of the six species that occur in alfalfa and hay fields, four species use Lygus lineolaris (Palisot) as the main host. The introduced Peristenus digoneutis Loan has recently established in southern Quebec and although its numbers have increased substantially it has not yet had an evident impact on reducing L. lineolaris population levels.},
	keywords = {biology, description, economic impact, key, Leiophron, Lygus, Nearctic, Peristenus},
	author = {Goulet, Henri and Mason, PG}
}
@article {139,
	title = {The Stephanidae (Hymenoptera) of Mexico, with description of six new species and a key to western Foenatopus Smith},
	journal = {Zootaxa},
	volume = {1186},
	year = {2006},
	pages = {1-56},
	abstract = {The Mexican genera and species of Stephanidae, and the western species of Foenatopus Smith are revised. Twelve species are recognized, two in Foenatopus and ten in Megischus Brull{\'e}, all but one occurring in Mexico. Six new species of Megischus are described, M. anaxeus sp. n., M. celaenocephalus sp. n., M. jaliscoensis sp. n., M. melanogladius sp. n., M. mexicanus sp. n., and M. peninsularis sp. n. One genus (Foenatopus Smith) and four species are registered for the first time in Mexico, F. annulipes Kieffer, M. arizonicus Townes, M. bicolor (Westwood), and M. niger Smith. Many new distribution records in Mexico and intensive new morphological variation are registered, illustrated and discussed for M. texanus Townes. Much new morphological variation is reported and illustrated for M. arizonicus. The male of F. aurantiiceps Brues is reported for the first time. Mexico is identified as an area of overlapping distribution between the essentially North American M. bicolor and the typically Central American M. niger; intermediate forms between these two species are described, and new diagnostic features are proposed for their identification. Some of the treated species are proposed as possibly highly endemic, occurring only in particular regions in the country, namely M. peninsularis, restricted to Baja California, and M. celaenocephalus, restricted to central Mexico. Some of the morphological variation observed for F. aurantiiceps is tentatively linked to specimens occurring in the south vs. north of the Amazon river, and to localities of high vs. low altitude. General stephanid morphology is illustrated, its correspondent terminology updated, and a key is provided for recognition of all treated genera and species. Full description is provided for each new taxon, and photographic illustrations are provided for all valid taxa. Extensive biometric data, and RGB formulas for color variation are provided for nearly all treated species.},
	keywords = {Nearctic, Neotropical, parasitoid, Revision, Stephanus},
	author = {Aguiar, A.P.}
}
