Prionococcus Williams, Hodgson & Danzig

Prionococcus Williams, Hodgson & Danzig 2002: 111 .

With the addition of the species described as new below, there are now three species in Prionococcus, and these can be separated using the following key.

PLATE 1. A plant of Agave americana showing an infestation of Prionococcus fontanai sp.n.

PLATE 2. Close up of a leaf of Agave americana infested with Prionococcus fontanai sp.n. Most stages can be identified. A: 1st-instar nymphs (small and orange); B: 2nd-instar male in process of secreting male test; C: mature 2nd-instar male inside male test; D: male test with either a pupa or a prepupa inside; E: empty male test (glassy and whitish, divided into 11 plates; secreted by 2nd-instar male nymphs); F: 2nd-instar female (mainly slightly larger than male test and varying from dark orange (youngest) to a deep reddish purple (oldest); G: mature adult female (note dome-shaped centre with a distinct outer ledge; what are assumed to be young adult females are somewhat smaller, intermediate in size between 2nd -instar females and mature adults). No adult males are present.