Pseudococcus

Caballero, Alejandro, 2021, Four new scale insect species (Hemiptera: Coccomorpha) associated with coffee roots in Colombia, South America, with identification keys for genera Newsteadia Green, 1902, Distichlicoccus Ferris, 1950, and Paraputo Laing, 1929, Zoosystema 43 (18), pp. 341-363 : 360

KEY TO PSEUDOCOCCUS WESTWOOD, 1840 SPECIES OF THE NEW WORLD

(divided into two parts at couplet 49, according to the presence or absence of ventral oral rim tubular ducts posterior to the frontal cerarii)

Part I

49. Ventral OR present behind frontal cerarii (C 17) ......................................................................................... 50

— Ventral OR absent from behind frontal cerarii (C 17) ................................................................................. 57

50. Marginal and submarginal ventral OR with broad ducts and narrow rims present in groups on SI-VII ..... 51

— Marginal and submarginal ventral OR absent, if present on SI-VII, then singly and with narrow ducts and wide rims ........................................................................................................................................................... 52

52. Ventral multilocular pores on abdomen present anteriorly to SVI .............................................................. 53

— Ventral multilocular pores on abdomen absent from anterior to SVI ........................................................ 54a

54a.Dorsal oral rim tubular ducts present behind frontal cerarii ....................................................................... 55

— Dorsal oral rim tubular ducts absent from behind frontal cerarii ............................................................. 54b

54b.Length of labium 115-130 µm; length of hind tibia+tarsus longer than length of hind trochanter + femur .... .................................................................................................................................... P. luciae n. sp. (in part)

— Length of labium 150-160 µm; length of hind tibia+tarsus shorter than length of hind trochanter+femur less than 1 .......................................................................................................... P. dendrobiorum Williams, 1985

Part II

57. Dorsal OR present behind frontal cerarii (C 17) ......................................................................................... 58

— Dorsal OR absent from behind frontal cerarii (C 17) .................................................................................. 72

72. Cerarii numbering 17 pairs, with cerarii on SI (C 8) well developed ........................................................... 73

— Cerarii numbering 16 pairs or fewer, with cerarii on SI lacking or abortive (C 8) ........................................ 74

73. Ventral multilocular disc pores on abdomen present as far anteriorly as SIII-IV; dorsal OR usually present on SVI by each posterior ostiole ........................................................................... P. calceolariae (Maskell, 1879)

— Ventral multilocular pores on abdomen restricted to SVI-VIII; dorsal OR absent from SVI by each posterior ostiole ...................................................................................................................................................... 73a

73a.Translucent pores restricted to hind tibia ........................................... P. prunicolus McKenzie, 1964 (in part)

— Translucent pores present on hind femur and tibia .................................................... P. luciae n. sp. (in part)

GRANARA DE WILLINK & GONZÁLEZ’ S (2018) KEY

23. Eye not associated with discoidal pores ..................................................................................................... 23a

— Eye associated with discoidal pores ............................................................................................................ 27

23a.C 16 and C 17 [C 2 and C 1 sensu Beardsley (1965)] without sclerotized surfaces ......................... Ps. luciae n. sp.

— At least C 17 [C 1 sensu Beardsley (1965)] with sclerotized surface ............................................................... 24