Fergusobia

Davies, Kerrie A., Ye, Weimin, Giblin-Davis, Robin M., Taylor, Gary S., Scheffer, Sonja & Thomas, W. Kelley, 2010, The nematode genus Fergusobia (Nematoda: Neotylenchidae): molecular phylogeny, descriptions of clades and associated galls, host plants and Fergusonina fly larvae 2633, Zootaxa 2633 (1), pp. 1-66: 45-47

publication ID

http://doi.org/ 10.11646/zootaxa.2633.1.1

persistent identifier

http://treatment.plazi.org/id/FB74996E-9E0E-FFAB-ACA8-F89CFA12D611

treatment provided by

Felipe

scientific name

Fergusobia
status

 

Key to species and morphospecies of Fergusobia   nematodes from Corymbia   , Angophora   , Metrosideros   , narrow-leaved Melaleuca   , Syzygium   and Eucalyptus   , based on host plant, gall forms, morphology of nematodes, and associated fly species

1. Fergusobia   from galls on Corymbia spp   ........................................................................................................2 Fergusobia   from galls on Angophora spp.   ...................................................................................................3 Fergusobia   from galls on Metrosideros spp.   .......................................................................... F. pohutukawa   Fergusobia   from galls on Syzygium spp.   ................................................................................. F. jambophila   Fergusobia   from galls on Eucalyptus spp.   ...................................................................................................4 Fergusobia   from narrow leaved Melaleuca spp.   ........................................................................................15 Fergusobia   from soil not from gall................................................................................................... F. indica  

2. Fergusobia   from flower bud galls ........................................................................................ F. ptychocarpae   Fergusobia   from axial bud (‘stem’) galls ........................................................................................ F. magna   Fergusobia   from leaf pea galls ........................................................................................ F. morphospecies 3

3. Males with bursa occupying 25–55% body length, angular spicules............................. F. morphospecies 1 Males with bursa occupying 60–80% body length, arcuate spicules ............................. F. morphospecies 2

4. Fergusobia   from terminal shoot bud galls....................................................................................................5 Fergusobia   from ‘leafy’ leaf bud galls.........................................................................................................6 Fergusobia   from flower bud galls................................................................................................................8 Fergusobia   from leaf pea galls...................................................................................................................12 Fergusobia   from flat leaf galls...................................................................................................................14 Fergusobia   from style galls ........................................................................................... F. morphospecies 15 Fergusobia   from axial bud (‘stem’) galls ...................................................................... F. morphospecies 10 Fergusobia   from axial pea galls .................................................................................... F. morphospecies 16

5. Males with bursa usually arising in anterior third of nematode ...................................... F. morphospecies 8 Males with bursa usually arising at 40–60% of length of nematode............................... F. morphospecies 7 Males with bursa usually arising in posterior third of nematode................................................. F. brittenae  

6. Males with bursa arising near excretory pore.................................................................. F. morphospecies 6 Males with bursa occupying <50% of body length......................................................................................7

7. From galls on E. bridgesiana   ; male tails ca 40 µm long......................................................... F. tumifaciens From   galls on E. viminalis   ; male tails 20–35 µm long .................................................. F. morphospecies 11

8. Males with bursa occupying 66% of body length .................................................................... F. brevicauda   Males with bursa occupying <60% of body length.....................................................................................9

9. Parthenogenetic females with raised circum-oral area, males with bursa occupying>75% of body length ......... .............................................................................................................................. F. morphospecies 14 Parthenogenetic females with raised circum-oral area, males with bursa occupying ca 25% of body length ..... ................................................................................................................................... F. morphospecies 5 Parthenogenetic females without raised circum-oral area..........................................................................10

10. Male tail with truncate tip ................................................................................................... F. philippinensis   Male tail with rounded tip...........................................................................................................................11

11. Males with bursa occupying 15–20% body length .......................................................................... F. curriei   Males with bursa occupying 25–40% body length.......................................................... F. morphospecies 4

12. Males with bursa occupying 30–50% body length .......................................................... F. morphospecies 9 Males with bursa occupying <30% body length.........................................................................................13

13. Parthenogenetic female body narrows sharply behind vulva ....................................... F. morphospecies 13 Parthenogenetic female body narrows gradually behind vulva.................................... F. morphospecies 17 14. Parthenogenetic females with hemizonid 7–8 annules in front of secretory pore .......................... F. fisheri Parthenogenetic   females with hemizonid 1–4 annules in front of secretory pore ........ F. morphospecies 12

15. Males with bursa occupying ca 80% body length.......................................................... F. morphospecies 19 Males with bursa occupying ca 60% body length ....................................................... F. morphospecies 18.