Paralecaniini (Coccinae)

Meng, Shitao & Xing, Jichun, 2022, Bambusaecoccus maolanensis, a new soft scale genus and species from China (Hemiptera: Coccomorpha: Coccidae), Zootaxa 5168 (4), pp. 419-430 : 421

Key to genera of Paralecaniini (Coccinae) found in the Palaearctic and Oriental Regions based on adult females, adapted from Hodgson (1994) and Kondo (2005).

1(0) Dorsal setae each shorter than width of basal socket; pregenital disc-pores absent.................................. 2

- Dorsal setae each longer than width of basal socket; pregenital disc-pores present or absent.......................... 3

2(1) Legs reduced; anal plates together distinctly quadrate with outer margins angular, each plate about as long as their combined widths; claw digitules both fine............................................................ Saccharolecanium

- Legs normal; anal plates together approximately diamond-shaped, each anal plate with outer margin rounded, and longer than their combined widths; claw digitules both broad.................................................... Maacoccus

3(1) Preopercular pores absent............................................................................... 4

- Preopercular pores present.............................................................................. 7

4(3) Marginal setae broadly fan shaped.............................................................. Paralecanium

- Marginal setae narrow, not broadly fan shaped.............................................................. 5

5(4) Legs and antennae reduced to stumps; dorsal setae very small, each situated on a raised dermal cone......... Platylecanium

- Legs and antennae well developed; dorsal setae normal size, each not situated on a raised dermal cone.................. 6

6(5) Each stigmatic cleft with a group of fleshy protuberances on either side; stigmatic spines spinose............. Anthococcus

- Stigmatic clefts normal, each without a group of fleshy protuberances on either side; shape of stigmatic spines distinctive, either broadly wedge-shaped or bluntly tubular....................................................... Pounamococcus

7(3) Preopercular pores forming 1 or 2 longitudinal bands......................................................... 8

- Preopercular pores forming 2 groups, each situated antero-lateral to anal plates.................................... 9

8(7) Each stigmatic cleft without stigmatic spines, or with 1 stigmatic spine on anterior margin................. Perilecanium

- Each stigmatic cleft with 2 stigmatic spines, each situated at a basal corner............................. Marsipococcus

9(7) Anal cleft with sides closely adpressed or fused together........................................... Megalocryptes

- Anal cleft with sides not closely adpressed or fused together.................................................. 10

10(9) Pregenital setae represented by a band of multiple setae...................................................... 11

- Pregenital setae represented by 3 pairs of long setae......................................................... 12

11(10) Legs and antennae reduced; ventral tubular ducts present in a small group on each side of genital opening; dorsal sclerotic plates absent........................................................................... Bambusaecoccus gen. n.

- Legs and antennae well developed, although small relative to body size; ventral tubular ducts absent; dorsum with triangular to irregular-shaped sclerotic plates............................................................ Takahashilecanium

12(10) Ventral tubular ducts present, each with inner ductule swollen and lacking a terminal gland; each stigmatic cleft with stigmatic spines present as a group on each side; marginal setae minute and cylindrical......................... Neoplatylecanium

- Ventral tubular ducts absent; each stigmatic cleft with stigmatic spines normally distributed; marginal setae spinose...... 13

13(12) Claws each with denticle on widest part; each stigmatic cleft with stigmatic spines grouped in a triangle at base, numbering 9‒14; dorsal tubercles absent................................................................ Melanesicoccus

- Claws each without a denticle on widest part; each stigmatic cleft containing 3 stigmatic spines; dorsal tubercles present submarginally.................................................................................. Neosaissetia