Pulvinaria, Targioni Tozzetti, 1866

Tanaka, Hirotaka & Kamitani, Satoshi, 2020, Review of the Pulvinaria (Hemiptera: Coccomorpha: Coccidae) species of the Ryukyu Islands, Japan, Zootaxa 4868 (3), pp. 408-422 : 420

Key to adult females of Pulvinaria species from the Ryukyu Islands

(modified from Tanaka et al. 2006)

1. Dorsal dermal areolations well developed over entire dorsum; eyespots situated on dorsal submargin, distant from margin; type III ventral tubular ducts (with filamentous short inner ductules) numerous in marginal to submarginal area between anterior and posterior stigmatic clefts; dorsal tubular ducts present........................................................ 2

- Dorsal dermal areolations not well developed, occasionally present in submarginal area of dorsum; eyespots situated on body margin; type III ventral tubular ducts sparse in marginal to submarginal area between anterior and posterior stigmatic clefts; dorsal tubular ducts absent...................................................................... P. urbicola

2. Marginal setae near stigmatic clefts mostly at least as long as longest stigmatic spines, and with apices rather blunt or simply pointed.................................................................................. P. neocellulosa

- Marginal setae near stigmatic clefts mostly shorter than longest stigmatic spine, and with apices fimbriate / frayed / divided or simply pointed....................................................................................... 3

3. Each stigmatic cleft usually containing more than 3 stigmatic spines; multilocular pores mostly each with 7 loculi; anal plate with supporting bar not bifurcate............................................................... P. polygonata

- Each stigmatic cleft usually containing 3 stigmatic spines; multilocular pores mostly each with 10 loculi; anal plate with supporting bar bifurcate.............................................................................. P. psidii