Valid Names Results
Xenococcus Silvestri, 1924 (Xenococcidae)Nomenclatural History
- Xenococcus Silvestri 1924a: 312. Type species: Xenococcus annandalei Silvestri by monotypy and original designation . accepted valid name
Remarks
- Systematics: Subfamily Phenacoccinae
Placed in the subfamily Rhizoecinae by Williams (1978DJ). Only the males of X. acropygae Williams have been described (Williams, 1998). If this is typical of the males of this genus, it appears to be significantly different from other rhizoecine males and is easily separated from the other species in Xenococcini by the presence of: (i) spine-like claw digitules; (ii) very short 1-segmented antennae; (iii) presence of a lobe (caudal extension?) on abdominal segment VIII with 3 spine-like setae, and (iv) sclerotised thoracic segments. (Hodgson, 2012) Danzig and Gavrilov-Zimin (2014) raised the Xenococcinae to family status, Xenococcidae Tang, although this was without phylogenetic support. Hodgson (2020) agreed that the relationships of the Xenococcinae are problematic and that it should be raised to family status.
- Biology: All Xenococcinae, are associated with ants, mainly Acropyga spp. (Formicinae: Formicidae) (Williams, 1998; Johnson et al., 2001; Schneider & LaPolla, 2011).
- General Remarks: Definition and characters by Williams (1978DJ), Williams (1985), Williams & Watson (1988a), Tang (1992) and by Williams (2004a).
Keys
- Hodgso2012: pp.52 ( Adult (M) ) [Key to genera in Xenococcinae based on adult male morphology:]
- Hodgso2012: pp.8 ( Adult (M) ) [Key to separate known adult males of Pseudococcidae and Rhizoecidae]
- SchneiLa2011: pp.68-70 ( Adult (F) ) [Genera & species of the Xenococcini]
- KozarKo2007: pp.570 ( Adult (F) ) [Genera of tribe Xenococcini]
- KozarKo2007: pp.590 ( Adult (F) ) [Species of Xenococcus]
- Willia2004a: pp.40 ( Adult (F) ) [Genera of southern Asia]
- Willia2004a: pp.844 ( Adult (F) ) [Xenococcus species of southern Asia]
- Tang1992: pp.73 ( Adult (F) ) [China]
- WilliaWa1988a: pp.17 ( Adult (F) ) [Tropical South Pacific Region]
- AvasthSh1987: pp.4 ( Adult (F) ) [India]
- Willia1985: pp.35 ( Adult (F) ) [Australia]
- Willia1978a: pp.62 ( Adult (F) ) [ant-attended genera of Rhizoecinae]
Associated References
- BenDov1994: pp. 541
- Gavril2018: taxonomy, pp. 208-215
- Hodgso2020: taxonomy, pp. 25, 28
- KozarKo2007: description, taxonomy, pp. 590-591
- SchneiLa2011: phylogeny, taxonomy, pp. 57-82
- Silves1924a: description, taxonomy, pp. 312
- TanakaUe2012: taxonomy, pp. 414
- Tang1992: description, taxonomy, pp. 74-75
- Willia1978DJ: description, taxonomy, pp. 63, 66
- Willia1985: taxonomy, pp. 35, 390
- Willia2004a: description, taxonomy, pp. 844
- Willia2004b: taxonomy, pp. 2883-2885
- Willia2020: taxonomy, pp. 144
- WilliaGu2010: taxonomy, pp. 66-68
- WilliaLa2004: taxonomy, pp. 106
- WilliaWa1988a: description, taxonomy, pp. 221
