Occigamasus sp. 5

Juvara-Balş, Ilinca, 2019, Occigamasus, a new genus of pergamasine mites, with description of two new species from the west coast of North America (Parasitiformes: Gamasina: Parasitidae), Acarologia 59 (4), pp. 551-570 : 567

Occigamasus sp. 5

Material examined — Canada. British Columbia, Vancouver Island : 4 females, SE end Long Beach, from salal-kinni-kinnick ( Arctostaphylos uva-ursi L.)litter on sand dunes, 29 July 1975. Morphological characteristics — Big mite (Idiosoma length = 1104–1152), well sclerotized, colour brown-reddish. Female ( Figs. 7I, J ): on sternal shield gv 1 in vicinity of st3 ; endogynium a sack with a club structure anteriorly and many large spines on lateral walls;

on posterior margin with a sclerotized, ellipsoidal structure. Epigynium with a bifid, slightly sclerotized subapical structure ( Fig. 7K ). Trochanter IV with small triangular protuberance on

its dorso-lateral face. Measurements. Female: tarsus I = 288, tarsus IV = 396–420; seta pd2 =

288.

Figures

Figure 7 Occigamasusspp., female endogynia: A –Occigamasussp. 1; C – Occigamasus makarovaen. sp.; E – Occigamasussp. 2; F – Occigamasussp. 3; G – Occigamasussp. 4; I, J – Occigamasussp. 5. Subapical structure of epigynium: B –Occigamasussp. 1; D – O. makarovaen. sp.; H – Occigamasussp. 4; K – Occigamasussp. 5.