Eriococcus

Key to species of Eriococcus from the Patagonian Andean forests in Argentina

(Modified after Miller & González, 1975)

1 Suranal setae spatulate.................................................................................... eurythrix Miller & González

1’ Suranal setae not spatulate...........................................................................................................................2

2 Microtubular ducts of types A & B scattered on both surfaces; microtubular ducts of type A present, aggregated on dorsal surface; tarsal and claw digitules with slightly expanded and with equal-sized apices .......................................................................................................................................... pumilia e sp. nov.

2’ Microtubular ducts of type A & B absent; microtubularducts of type B1 present, scattered and not aggregated on dorsal surface; tarsal digitules with or without expanded apices; claw digitules with unequalsized apices.................................................................................................................................................3

3 Dorsomedial setae on abdomen about equal in length to marginal setae ....... chilensis Miller & González

3’ Dorsomedial setae on abdomen noticeably shorter than marginal setae.....................................................4

4 Dorsomedial setae on thorax and cephalic region smaller and more slender than marginal setae on abdomen; antennae 7 segmented ........................................................................................... navarinoensis Hoy

4’ Dorsomedial setae on thorax and cephalic region about same size as marginal setae on abdomen; antennae 6 segmented.................................................................................................................................................5

5 Quinquelocular pores restricted to medial area on abdomen; posterior three abdominal segments each with three marginal setae on each side of body.............................................................. dombeyae sp. nov.

5’ Quinquelocular pores present throughout venter; posterior three abdominal segments each with two marginal setae on each side of body ............................................................... rhadinothrix Miller & González