Ortheziidae

Lapolla, John S., Burwell, Chris, Brady, Seán G. & Miller, Douglass R., 2008, A new ortheziid (Hemiptera: Coccoidea) from Australia associated with Acropyga myops Forel (Hymenoptera: Formicidae) and a key to Australian Ortheziidae, Zootaxa 1946, pp. 55-68 : 57

Key to Australian Ortheziidae (based on adult females)

1a. Tibia and tarsus fused or only weakly divided......................................................................................2

1b. Tibia and tarsus clearly divided .......................................................................... Insignorthezia insignis

2a (1a). First, or first and second, antennal segments conspicuously enlarged ....3 ( Newsteadia Green species )

2b. First, or first and second, antennal segments not conspicuously enlarged...........................................7

3a (2a). Antennae 6- or 7-segmented..................................................................................................................4

3b. Antennae 4-segmented ............................................................................................. Newsteadia martini

4a (3a). Antennae 6-segmented...........................................................................................................................5

4b. Antennae 7-segmented ........................................................................................... Newsteadia gullanae

5a (4a). Anterior thoracic spiracle without pores in atrium................................................................................6

5b. Anterior thoracic spiracle with pores in atrium .............................................. Newsteadia tasmaniensis

6a (5a). Hind tibia with a sensory seta ......................................................................... Newsteadia australiensis

6b. Hind tibia without a sensory seta ......................................................................... Newsteadia endroedyi

7a (2b). Antennae 3-segmented; anal ring situated near apex of abdomen; eyes large and protruding..............8

7b. Antennae 2-segmented; anal ring situate on dorsum near center of abdomen; eyes absent.................... ..................................................................................................................... Acropygorthezia williamsi

8a (7a). Anterior portion of ovisac band well developed .............................. Nipponorthezinella guadalcanalia

8b. Anterior portion of ovisac band absent ....................................................... Nipponorthezia tasmaniana