Key: Step 775. Orthocladiinae 187 Heleniella

775a. Sternite I with a nearly circular patch of strong points on each side in the region of setae V3 and V4, which they may embrace (061a.jpg).

Heleniella serratosioi

775b. Sternite I with an extended irregular patch of shagreen points embracing setae V3 and V4 on each side (061b.jpg).
060-2.jpg species overview

Heleniella ornaticollis
Decision path