acanthococcine

Hodgson, Chris, 2020, A review of neococcid scale insects (Hemiptera: Sternorrhyncha: Coccomorpha) based on the morphology of the adult males, Zootaxa 4765 (1), pp. 1-264: 43-44

publication ID

http://doi.org/ 10.11646/zootaxa.4765.1.1

publication LSID

lsid:zoobank.org:pub:urn:lsid:zoobank.org:pub:C442D94C-0EB4-4509-B762-913707214819

DOI

http://doi.org/10.5281/zenodo.3796731

persistent identifier

http://treatment.plazi.org/id/03B2EA64-0A05-4679-2CFC-FE53FC2AD79F

treatment provided by

Carolina

scientific name

acanthococcine
status

 

Key to the known adult male acanthococcine  eriococcids

1. Apterous or brachypterous.............................................................................. 2

- Macropterous........................................................................................ 4

2. Apterous. Antennae short, each segment much broader than long, with both fleshy and hair-like setae. Capitate setae absent. Campaniform sensilla on each trochanter in a line. Loculate pores present near each spiracle. With short fleshy setae on each tibia................................................................. Ovaticoccus adoxus (Ferris)   * ( Fig. 18 View FIGURE 18 )

- Brachypterous. Other characters not in this combination...................................................... 3

3. Capitate setae on antennae absent............................................. Gossyparia salicicola Borchsenius  

- Capitate setae on antennae present................................................. Gossyparia spuria (Modeer)  

4. Fleshy setae on legs absent............................................................................. 5

- Fleshy setae on legs present............................................................................ 8

5. Antemesopiracular setae absent. Gena with 4–6 genal setae. Abdominal segment VIII with a long pleural seta, about half as long as glandular pouch setae. Small pores present on head.............................. Gossyparia spuria (Modeer)  

- Antemesopiracular setae present. Gena with 3 or fewer genal setae. Other characters not in this combination............ 6

6. Hamulohalteres absent although alar lobe present. Small pores on head absent. Penial sheath about 1.5x as long as basal width...................................................................... Ovaticoccus agavium Douglas  

- Hamulohalteres present. Small pores on head present. Penial sheath more than twice as long as basal width............. 7

7. Genal setae absent. Loculate pores absent from dorsum of metathorax............... Eriochiton hoheriae Hodgson 1994  

- Each gena with 2 setae. Loculate pores present in position of dorsospiracular setae..... Eriochiton armatus Brittin   ( Fig. 17 View FIGURE 17 )

8. Fleshy setae on legs very short, only about twice as long as broad. Glandular pouch setae each with a small capitate apex................................................................. Acanthococcus adenostomae (Ehrhorn)   ( Fig. 15 View FIGURE 15 )

- Fleshy setae on legs much longer, several times as long as broad. Glandular pouch setae each with a pointed or flagellate apex................................................................................................... 9

9. Antemesospiracular setae absent. Abdominal segment VIII with one long pleural seta, about half as long as shortest glandular pouch seta. Sclerotised structures associated with aedeagus complex. Penial sheath broad, less than 2x as long as basal width. Cranial apophysis trifurcate.............................. Acanthococcus melnikensis Hodgson & Trencheva   ( Fig. 16 View FIGURE 16 )

- Antemesospiracular setae present. Other characters not in this combination...................................... 10

10. Penial sheath about 2.5x longer than basal width. Sternite of abdominal segment VIII with a longitudinal sclerotised bar. Head without pores. Without complex sclerotised structures associated with aedeagus.......... Acanthococcus orariensis (Hoy)  

- Penial sheath subequal to or less than twice as long as basal width. Sternite of abdominal segment VIII without a longitudinal sclerotised bar. Head with pores. With some complex sclerotised structures associated with aedeagus................................................................................. Uhleria (Acanthococcus) araucariae (Maskell)  

Note.* Although this species ( Fig. 18 View FIGURE 18 ) is currently placed in Ovaticoccus Kloet   , the adult male differs from that of O. agavium   in the structure of the campaniform sensilla on the trochanter, which appear to be in a line and oval to elongate (and typical of the Gondwanan group of eriococcids) rather than in a curve or triangle and roundish as in O. agavium   and other acanthococcids. In addition, the antennae of adult male O. adoxus   are 9 segmented, each segment much wider than long and with few hs and no caps, extremely similar to those of Pseudomontanococcus martini Kozár & Konczné Benedicty   ( Fig. 36 View FIGURE 36 ), whereas those of O. agavium   are 10 segmented, each segment longer than wide and each with numerous hs, fs and caps, typical of the acanthococcid group ( Afifi 1968). It would appear that the placement of adoxus   in Ovaticoccus   warrants further study.

In addition to the two species described below, the adult male of Eriococcus melnikensis Hodgson & Trencheva   is also illustrated (and described in Hodgson & Trencheva, 2008) ( Fig. 16 View FIGURE 16 ).