Neoleucopis obscura (Haliday, 1833: 173;

Leucopis)

Type locality: Ireland (LT ♂, NMID) .

This species is widespread in Europe, and has been introduced into Hawaii, and the eastern and western parts of North America. For Hawaii, although a small percentage of the vouchers from these releases are this species, most turned out to be N. tapiae . This species was also among the predators introduced and established for biological control of Adelges piceae attacking balsam fir, Abies balsamea, in North America. It is known to attack various species of Adelges infesting species of Abies, and less frequently species of Pineus infesting Pinus .