TABLE 2. Tabular compilation of morphological characteristics of trophic groups.
Located on or within vertebrate 1 Located on or within arthropod Located on or within non- arthropod invertebrate 1 to 3 large nematodes only in host Invertebrate host haemolymph cloudy Located on or within plant or plant part Part of plant 2 Host modified (other than damage) Body swollen 3 Stylet present Stylet knobs or flanges present Stylet knobs distance across Stylet length Stylet anterior solid Stylet conus & shaft thickness Stylet diameter>30 % length Stylet aperture> 30 % length Stylet lumen diameter lips curled forward cephalic framework present cephalic framework cuticle thickened oeophageal bulb posterior to nerve ring terminal oesophageal swelling, bulb or glands present terminal oesophageal bulb very long (> 2 x body diameter) number of oesophageal bulbs or swellings head length tail filiform tail with terminal hyaline portion mouth absent & oesophagus disconnected from intestine & no anus mouth cavity blocked or filled mouth narrow (<20% head diameter) mouth with cheilorhabdion ridges mouth with teeth tooth near entrance to mouth mouth cuticle thickened mouth with> 2 thickened plates in wall mouth with denticles located on vertebrate

1 throughout table 0 means feature is negative or absent, 1 means feature is positive or present. Bold values indicate distinctive features. Values in brackets indicate values that are not common or occur in only a few members of the trophic group. “/” indicates alternative values.

2 1=seed, 2=flower or fruit bud, 3=inside leaf, 4=leaf surface, 5=inside non-woody stem, 6=inside woody stem, 7=outside smooth stem, 8=in fibrous bark, 9=inside roots, 10=around root surface, 11=in soil or substrate

3 0=not swollen, 1=swollen, 2=globose

4 0=not offset, 1=low (head length <0.4 times length), 2=high (length>0.4 times length)

1 throughout table 0 means feature is negative or absent, 1 means feature is positive or present. Bold values indicate distinctive features. Values in brackets indicate values that are not common or occur in only a few members of the trophic group. “/” indicates alternative values.

2 1=seed, 2=flower or fruit bud, 3=inside leaf, 4=leaf surface, 5=inside non-woody stem, 6=inside woody stem, 7=outside smooth stem, 8=in fibrous bark, 9=inside roots, 10=around root surface, 11=in soil or substrate

3 0=not swollen, 1=swollen, 2=globose

4 0=not offset, 1=low (head length <0.4 times length), 2=high (length>0.4 times length)

1 throughout table 0 means feature is negative or absent, 1 means feature is positive or present. Bold values indicate distinctive features. Values in brackets indicate values that are not common or occur in only a few members of the trophic group. “/” indicates alternative values.

2 1=seed, 2=flower or fruit bud, 3=inside leaf, 4=leaf surface, 5=inside non-woody stem, 6=inside woody stem, 7=outside smooth stem, 8=in fibrous bark, 9=inside roots, 10=around root surface, 11=in soil or substrate

3 0=not swollen, 1=swollen, 2=globose

4 0=not offset, 1=low (head length <0.4 times length), 2=high (length>0.4 times length)

microbial feeder sucker suspension 0 0 (1) 0 (1) * * 0 * (8) 0 0 0 * * * * * * * * * * * * * * * 0 0 0 0 * * 0/1 0/1 0/1 0/1 0 0 0–1 0–1 0/1 0/1 0/1 0/1 0 0 0 0 * * 1 0 0 0 0 0 * * 0 0 0 0 0 0 0 0
particulate 0 (1) 0 (1) 0 (1) * * 0 * (8) 0 0 0 * * * * * * * * 0 0 * 0/1 0/1 0 0–1 0/1 0/1 0 0 * 1 0/1 0/1 0/1 0/1 0 0 0
processor suspension 0 0 (1) 0 (1) * * 0 * (8) 0 0 0 * * * * * * * * 0 0 * 0/1 0/1 0 0–1 0/1 0/1 0 0 0/1 0 0/1 0/1 0/1 0/1 0 0/1 0
particulate 0 0 (1) 0 (1) * * 0 (1) * (8) 0 0 0 * <4 5– 80 0 (1) 1/2 0 0 1/2 0 0/1 0 0/1 0/1 0/1 1–2 0/1 0/1 0 0 0 1 0/1 0 0 0 0 0 0
piercer 0 0 (1) 0 (1) * * 0 * (8) 0 0 1 0/1 * * * * * * * 0 0 * 0/1 0/1 0 1–2 0/1 0/1 0 0 0/1 0/1 0 0 0 1 1 0 0
crusher 0 0 (1) 0 (1) * * 0 (1) * (8) 0 0 0 * * * * * * * * 0 0 * 0/1 0/1 0 0–1 0/1 0/1 0 0 0 0/1 1 1 1 1 0 0 0
scraper 0 0 0 * * 0 * 0 0 0 * * * * * * * * 0 0 * 0/1 0/1 0 0–2 0/1 0/1 0 0 0 0/1 0/1 0/1 0/1 1 0 0/1 0
predator chewer 0 0 0 * * 0 (1) * (8) 0 0 0 * <5 20–50 0 2 (0) 1 (0)1 2 0 (1) 0/1 0/1 0/1 0/1 (0) 1 1 0/1/ 2 0/1 0/1 0 0 1 0/1 0 0 0/1 0 0 0
piercer 0 0 0 * * 0 (1) * (8) 0 0 1 0 (1) <2 <10 0 1 0 0 1 0 1 0 0/1 0/1 1 1–2 0/1 0 0 0 0 1 0 0 * 0 0 0 0
parasite plant internal modifier aerial 0 0 0 * * 1 1/2/3 1 (0) 1 1 1 3–5 10–20 0 1 0 0 1 0 1 1 1 1 1 2 0/1 0 0/1 0 0 1 0 0 * 0 0 0 0
below- ground 0 0 0 * * 1 9 (10) (11) 1 (0) 2 (0)1 1 <3 5–15 0 1 0 0 1 0 1 0 0/1 0/1 0/1 1–2 0/1 0 0 0 0 1 0 0 * 0 0 0 0
internal migrator aerial below- ground 0 0 0 (1) 0 0 (1) 0 * * * * 1 1 3/5/7 9 (10) (11) 0 0 0 0 1 (0)1 1 1 (2–5) 5–6 10–25 0 2 0 0 1 0 1 1 1 1 1 2 1/2 0 0 0 0 1 0 0 * 0 0 0 0
external root feeder subsurface 0 0 0 * * 1 (9) 10/11 0 0/1 (2) (0)1 1 5–8 20–200 0 2 0 0 1 0 1 1 1 1 1 2 0/1/ 2 0/1 0/1 0 0 1 0 0 * 0 0 0 0
surface 0 0 0 * * 1 9 0 0 (0)1 1 3–5 10–20 (40–200) 0 1/2 0 0 1 0 1 0/1 0/1 1 (0) 1 0–2 0/1/ 2 0/1 0/1 0 0 1 0 0 * 0 0 0 0
external browser 0 0 (1) 0 (1) * * 1 10 0 0 1 (0) 1 <4 <15 0 (1) 1 0 0 1 0 0/1 0/1 0/1 0/1 (0) 1 0–2 0/1 0/1 0 0 0 1 0 0 * 0 0 0 0
wood & bark associate 0 0 (1) 0 (1) * * 1 6/8 0 0 0/1 0/1 * (<4) <15 1 1 0 0 1 0 0/1 0/1 0/1 0/1 0/1 0–2 0/1 0/1 0 0 0/1 0/1 0/1 0/1 0/1 0/1 0 0 0
invertebrate arthropod 0 1 0 (1) 0/1 0/1 0 (1) 4 0/1 0/1/2 0/1 (0)1 <4 *(15–25) 0 1 0 0 1 0 0/1 0 0 0/1 0 1 0/1/ 2 0 0 0/ 1 0/1 0/1 0 0/1 0/1 0/1 0 0 1
other 0 0 (1) 1 0/1 0/1 4 0/1 0/1/2 0/1 (0)1 <4 *(15–25) 0 1 0 0 1 0 0/1 0 0 0/1 0 1 0/1/ 2 0 0 0/ 1 0/1 0/1 0 0/1 0/1 0/1 0 0 1
vertebrate fish 1 0 (1) 0 (1) 0 0 0 * 0/1 0/1 0 * * * * * 0 0 * 0 0 * 0/1 0/1 0 0–1 0/1/ 2 0 0 0 (1) 0/1 0/1 0 0/1 0/1 0/1 0 0 1
amphibian 1 0 (1) 0 (1) 0 0 0 * 0/1 0/1 0 * * * * * 0 0 * 0 0 * 0/1 0/1 0 0–1 0/1/ 2 0 0 0 (1) 0/1 0/1 0 0/1 0/1 0/1 0 0 1
reptile 1 0 (1) 0 (1) 0 0 0 * 0/1 0/1 0 * * * * * 0 0 * 0 0 * 0/1 0/1 0 0–1 0/1/ 2 0 0 0 (1) 0/1 0/1 0 0/1 0/1 0/1 0 0 1
bird 1 0 (1) 0 (1) 0 0 0 * 0/1 0/1 0 * * * * * 0 0 * 0 0 * 0/1 0/1 0 0–1 0/1/ 2 0 0 0 (1) 0/1 0/1 0 0/1 0/1 0/1 0 0 1
mammal 1 0 (1) 0 (1) 0 0 0 * 0/1 0/1 0 (1) 0 * * 0 0 * 0 0 * 0/1 0/1 0 0–1 0/1/ 2 0 0 0 (1) 0/1 0 (1) 0 0/1 0/1 0/1 0 0 1
host unknown 0 (1) 0 (1) 0 (1) 0/1 0 0 * * 0/1 0 * * * * * 0 0 * 0 0 * 0/1 0/1 0 0–1 0/1/ 2 0 0 0 (1) 0/1 0 0 0/1 0/1 0/1 0 0 1