Valid Names Results
Phyllococcus Ehrhorn, 1916 (Pseudococcidae)Nomenclatural History
- Phyllococcus Ehrhorn 1916: 236. Type species: Cissococcus oahuensis Ehrhorn by monotypy . accepted valid name
Remarks
- Systematics: Subfamily: Pseudococcinae (Choi & Lee, 2022)
Ehrhorn (1912), in his original description of the type species, placed it tentatively in Cissococcus Cockerell, which he indicated by a question mark after the genus name. Cissococcus belongs to family Coccidae and is found only in South Africa (Hodgson et al. 2011). Beardsley (1984) also recorded Ph. oahuensis on Urera sandwicensis Wedd. (now Touchardia sandwicensis (Wedd.)) (POWO 2023; Wells et al. 2021) on Oahu.. With the addition of the new species described below, the genus Phyllococcus now contains two endemic species from the Hawaiian Islands.
- Structure: Adult female living in cone-shaped galls on leaves. Body elongate oval, tapering, ending in a chitinous segment with well-developed caudal lobes, forming a funnel, in the center of which is situated the anal ring with six hairs. Antennae with seven asymmetrically formed joints. Legs short and stout, resembling crabs' claws. Anal region strongly chitinous. (Ehrhorn, 1916) More than half of body composed of head and thorax. Posterior abdominal segments strongly sclerotised dorsally to form a broadly oval shield, used to close gall opening. Sclerotised shield composed of dorsum of abdominal segments VII, VI and V (Ph. oahuensis) or VII–III (Ph. cryptocaryae?); venter of these segments membranous. Posterior part of shield formed from flattened, strongly sclerotised anal lobes, each with spinose cerarian setae. Anal ring concealed between bases of anal lobes (in Ph. oahuensis) or at end of short anal tube (Ph. cryptocaryae); anal ring bearing 6 quite long setae, and with 2 rows of small pores. (Percy, Watson & Hodgson, 2024)
- General Remarks: Good definition and characters given by Ferris in Zimmerman (1948).
Keys
- Zimmer1948: pp.148 ( Adult (F) ) [Hawaii]
Associated References
- BenDov1994: catalog, pp. 349
- Ehrhor1916: description, taxonomy, pp. 236
- MorrisMo1966: taxonomy, pp. 155
- PercyWaHo2024: diagnosis, taxonomy, pp. 356
- Zimmer1948: description, taxonomy, pp. 148, 159
