PROC. ENTOMOL. SOC. WASH. 83(3), 1981. pp. 444-460 A REVIEW OF NEARCTIC SPECIES OF ACMOPOLYNEMA OGLOBIN (HYMENOPTERA: MYMARIDAE)' Michael E. Schauff Maryland Center for Systematic Entomology, Department of Entomolo-gy, University of Maryland, College Park, Maryland 20742. Abstract. — Four new species oi Acinopolynema (Hymenoptera: Mymar-idae) from North America are described and illustrated, A. sema, A. mia-miense, A. unia, and A. immaculatum. Lectotypes are designated for A. varium (Girault) n. status, and A. bifasciatipenne (Girault); A. vittatipenne (Dozier) is a new combination. A key to the seven Nearctic species is pre-sented. When the genus Acmopolynenui was described (Oglobin, 1946), its author noted that he possessed several undescribed species from South America and speculated that the genus originated in the Neotropics, although the type-species (A. bifasciatipenne (Girault)) was from North America. Since that time, several species have been described; one from Japan (Taguchi, 1971), two from Africa (Mathot, 1968; Risbec, 1957), one from the Philip-pines (Soyka, 1956), and two from South America (Gomes, 1948; Soyka, 1956), and several undescribed species have been collected from the Neo-tropics (C. Yoshimoto, personal communication). Recently, I examined material from several sources in North America, and have found new combinations, specimens which represent new species, and species for which holotypes had not been designated. In this paper, I have attempted to remedy these problems and give a review of the species from the Nearctic Region. The biology of species oi Acnwpolynema remains largely unknown. Ac-mopolynenui varium (Girault) has been reared from the eggs of Oecanthus niveiis (DeGeer), O. nigricornis nigricornis Walker, and O. nigricornis quadripunctatus Beutenmuller (Gryllidae) and A. bifasciatipenne has been reared from Anaxipha exigua (Say) (Gryllidae). In addition. Gomes (1948) reported Sphenorhina liturata (Lepeletier and Serville) (Cercopidae) as the ' Scientific Article No. A2874, Contribution No. 5927 of the Maryland Agricultural Experi-ment Station, Department of Entomology. University of Maryland.
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