Eriococcidae

González, Patricia, Claps, Lucía E., Juárez, Andrea & Moreno, Diego, 2017, Review of the Eriococcidae (Hemiptera: Coccomorpha) infesting Fabaceae in Argentina, with descriptions of three new species of Acanthococcus Signoret, Zootaxa 4232 (1), pp. 41-57 : 55

Key to Eriococcidae of Argentina currently known of Fabaceae

(Modified after Kozár & Konczné Benedicty 2008, González & Granara de Willink 2009; González et al. 2015, and Moreno et al. 2016).

1 Microtubular ducts both grouped and scattered............................................ ( Hempelicoccus ) … 2

- Microtubular ducts never grouped, only scattered.......................................... ( Acanthococcus ) … 7

2 Microtubular ducts in groups of 4–8, distributed on intersegmental lines.......... H. aromae Moreno, González & Claps

- Microtubular ducts in groups of more than 8 microducts, distributed on segments................................. 3

3 Groups of microtubular ducts present on both surfaces....................................................... 4

- Groups of microtubular ducts present on dorsal surface only....................................................5

4 Quinquelocular pores extending towards margin from anterior spiracles; with 7-locular pores on abdomen; prothoracic coxae with microspinules......................................... H. tucumanensis (González & Granara de Willink)

- Quinquelocular pores not extending towards margin from anterior spiracles, but restricted to near each spiracle; 7-locular pores absent; prothoracic coxae without microspinules............................................... H. alba González

5 Groups of microtubular ducts composed of both types A and B; dermis with reticulations...................................................................................... H. santiaguensis (González & Granara de Willink)

- Groups of microtubular ducts composed of type A ducts only; dermis smooth..................................... 6

6 Groups of microtubular ducts loose; both symmetrical and asymmetrical macrotubular ducts present; marginal setae and enlarged ventral setae absent..................................................... H. leguminicola (Morrison)

- Groups of microtubular ducts compact; only symmetrical macrotubular ducts present; marginal setae and enlarged ventral setae present..................................................................... H. mendozae (Morrison)

7 Each prothoracic tibia with 6 setae.............................................. A. gracielae González & Claps

- Each prothoracic tibia with 4 or 5 setae................................................................... 8

8 Dorsal and marginal setae spinose; each metacoxa with about 70 pores............. A. siambonensis González & Nicosia

- Dorsal and marginal setae conical; each metacoxa with 10–50 pores............................................ 9

9 Anal ring with 8 setae; frontal lobes present................................ A. haywardi Juarez & González sp. nov.

- Anal ring with 6 setae; frontal lobes absent............................................................... 10

10 Medial plate present; each metacoxa with 15–20 pores distributed in small groups..................................................................................................... A. punctatae Juarez & González sp. nov.

- Medial plate absent; each metacoxa with about 10 pores randomly distributed.... A. riojensis Juarez & González sp. nov.