DESCRIPTION OF DELADENUS-MINIMUS SP.-N. (TYLENCHIDA, PHAENOPSITYLENCHIDAE), AN ENTOMOGENOUS NEMATODE FROM GERMANY

Descriptions are given of the infective female and the free-living mal e of Deladenus minimus sp. n. found in wood samples of Pinus silvestri s L, trunks growing in the vicinity of Braunschweig, Germany. The new species is distinguished from the seven Deladenus species, for which t he insect parasitic stages are known, by smaller sizes of both the inf ective female and the free-living male, a stylet with large and separa ted basal knobs and a conoid, pointed tail in the infective female and a leptoderan bursa in the free-living male.