Striariidae, Bollman, 1893

Shear, William A. & Marek, Paul E., 2024, The millipede family Striariidae Bollman, 1893. IX. The identity of Striaria californica Cook, 1899, and the new genus Bayaria for Striaria nana Loomis, 1936, with a key to genera and an annotated checklist of the Striariidae (Diplopoda, Chordeumatida, Striarioidea), Zootaxa 5463 (4), pp. 524-544 : 533

Key to genera of the family Striariidae

This key is updated from the one in Shear & Marek (2022b).

1a. Gonopod flagellocoxites absent; ninth legs of males with telopodites, coxae and sternum often fused..................................................................................................... Subfamily Trisariinae , 2

1b. Gonopod flagellocoxites present; ninth legs of males with all elements, or at least telopodites always free................................................................................................. Subfamily Striariinae , 4

2a. Some crests of metazonites much larger than the others....................................................... 3

2b. All metazonital crests similar in size................................................................. Trisaria

3a. Sixth and second crests larger than others......................................................... Nototrisaria

3b. Only second crests enlarged, sixth crests not enlarged............................................... Stegostriaria

4a. Second and third crests enlarged on some rings, sixth crests as others.................................. Kentrostriaria

4b. Second and third crests not enlarged on any rings............................................................ 5

5a. 10–25 mm long....................................................................................... 5

5b. 5–7 mm long, or smaller................................................................................ 6

5a. Gonopod anterior angiocoxites with a distal crown of stout spines.......................................... Striaria

5b. Gonopod anterior angiocoxites without such a crown of spines........................................... Amplaria

6a. 5–7 ommatidia on each side of head................................................................. Bayaria

6b. 1–3 ommatidia on each side of head...................................................................... 7

7a. 1 ommatidium on each side of head....................................................................... 8

7b. 2 or 3 ommatidia on each side of head.................................................................... 11

8a. Mandible with prominent apophysis and gland opening................................................. Kingaria

8b. Mandible without apophysis or gland..................................................................... 9

9a. Coxae 3 without flasks, coxae 5 with toothed knobs......................................................... 10

9b. Coxae 3 with short flasks, coxae 5 unmodified........................................................ Miniaria

10a. Collum with distinct notch at level of outermost seta...................................................... Petra

10b. Collum without such a notch...................................................................... Tigraria

11a. Sixth crests of metazonites enlarged, paranota-like.......................................................... 12

11b. All metazonital crests similar in size..................................................................... 14

12a. Three ommatidia on each side of head............................................................... Plaramia

12b. Two ommatidia on each side of head..................................................................... 13

13a. Gonopod anterior angiocoxites densely fimbriate on posterior surface..................................... Lamparia

13b. Gonopod anterior angiocoxites not fimbriate, fused................................................... Rampalia

14a. Gonopod anterior angiocoxites reflexed dorsally....................................................... Maraplia

14b. Gonopod anterior angiocoxites not reflexed, gonopods compact......................................... Ralampia