PSEUDOCOCCIDAE

Gertsson, Carl-Axel & Hodgson, Chris, 2005, Four new species of mealybug (Pseudococcidae) and a new species of soft scale (Coccidae: Coccoidea: Hemiptera) from Greenland and redescriptions of a mealybug and a soft scale from Arctic Canada, Zootaxa 897, pp. 1-24 : 2-3

publication ID

https://doi.org/ 10.5281/zenodo.170943

publication LSID

lsid:zoobank.org:pub:FB7EC4C9-D523-49C8-AE11-C79136772F9C

persistent identifier

https://treatment.plazi.org/id/03B37C0A-0255-FFFE-2600-1AC7FAF25814

treatment provided by

Plazi

scientific name

PSEUDOCOCCIDAE
status

 

KEY TO ADULT FEMALE PSEUDOCOCCIDAE FROM GREENLAND

1. With 18 pairs of cerarii, several with more than 2 cerarian setae; quinquelocular pores present throughout venter; claws with a denticle.......................................................... 2

­ With fewer than 5 cerarii, each with 2 cerarian setae; quinquelocular pores absent from venter; claws without a denticle.................................................................................... 3

2. Multilocular disc­pores tending to be in distinct groups of 2–4, each group with a small oral collar tubular duct in centre; dorsal cerarii absent ........................................ ......................................................................................... Peliococcus balteatus (Green)

­ Multilocular disc­pores not tending to be in distinct groups and not closely associated with an oral collar tubular duct; dorsal cerarii present along mid­line of all segments .. ........................................................... Peliococcus (Spinococcus) calluneti (Lindinger)

3. Circulus absent; with a group of multilocular disc­pores and large oral collar ducts laterad to each anterior coxa ....................................... Atrococcus groenlandensis sp. nov.

­ Circulus present; without a distinct group of multilocular disc­pores laterad to each anterior coxa.................................................................................................................. 4

4. With many oral rim ducts present throughout dorsum; oral collar ducts absent from dorsum ..................................................................... Chorizococcus multiporus sp. nov.

­ Oral rim ducts absent from dorsum; oral collar ducts on dorsum often fairly abundant ....................................................................................................................................... 5

5. Circulus large, membranous and approximately rectangular Trionymus elymus sp. nov.

­ Circulus small, oval to almost circular and sometimes appearing slightly sclerotised 6

6. Multilocular disc­pores very few or absent from dorsum; multilocular disc­pores present ventrally on head anterior to clypeolabral shield ..... Trionymus thulensis Green

­ Multilocular disc­pores sparsely distributed on posterior 5 abdominal segments; multilocular disc­pores absent ventrally on head ........................ Trionymus bocheri sp. nov.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Pseudococcidae

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