DOI: 10.5281/zenodo.14188522
title: TABLE 2 in Phylum Nematoda: feeding habits for all valid genera using a new, universal scheme encompassing the entire phylum, with descriptions of morphological characteristics of the stoma, a key, and discussion of the evidence for trophic relationships

description: TABLE 2. Tabular compilation of morphological characteristics of trophic groups.
Located on or within vertebrate 1Located on or within arthropodLocated on or within non- arthropod invertebrate 1 to 3 large nematodes only in hostInvertebrate host haemolymph cloudy Located on or within plant or plant partPart of plant 2Host modified (other than damage)Body swollen 3Stylet presentStylet knobs or flanges presentStylet knobs distance acrossStylet lengthStylet anterior solidStylet conus & shaft thicknessStylet diameter>30 % lengthStylet aperture> 30 % lengthStylet lumen diameterlips curled forwardcephalic framework presentcephalic framework cuticle thickenedoeophageal bulb posterior to nerve ringterminal oesophageal swelling, bulb or glands presentterminal oesophageal bulb very long (> 2 x body diameter)number of oesophageal bulbs or swellingshead lengthtail filiformtail with terminal hyaline portionmouth absent & oesophagus disconnected from intestine & no anusmouth cavity blocked or filledmouth narrow (<20% head diameter)mouth with cheilorhabdion ridgesmouth with teethtooth near entrance to mouthmouth cuticle thickenedmouth with> 2 thickened plates in wallmouth with denticleslocated on vertebratemicrobial feedersuckersuspension00 (1)0 (1)**0* (8)000** ** ** ** ** ** ** *0 00 0* *0/1 0/10/1 0/10 00–1 0–10/1 0/10/1 0/10 00 0* *1 00 00 0* *0 00 00 00 0particulate0 (1)0 (1)0 (1)**0* (8)000********00*0/10/100–10/10/100*10/10/10/10/1000processorsuspension00 (1)0 (1)**0* (8)000********00*0/10/100–10/10/1000/100/10/10/10/100/10particulate00 (1)0 (1)**0 (1)* (8)000*<45– 800 (1)1/2001/200/100/10/10/11–20/10/100010/1000000piercer00 (1)0 (1)**0* (8)0010/1*******00*0/10/101–20/10/1000/10/10001100crusher00 (1)0 (1)**0 (1)* (8)000********00*0/10/100–10/10/10000/11111000scraper000**0*000********00*0/10/100–20/10/10000/10/10/10/1100/10predatorchewer000**0 (1)* (8)000*<520–5002(0) 1(0)120 (1)0/10/10/10/1(0) 110/1/ 20/10/10010/1000/1000piercer000**0 (1)* (8)0010 (1)<2<10010010100/10/111–20/10000100*0000parasiteplantinternal modifieraerial000**11/2/31(0) 1113–510–200100101111120/100/100100*0000below- ground000**19 (10) (11)1(0) 2(0)11<35–15010010100/10/10/11–20/10000100*0000internal migratoraerial below- ground0 00 (1) 00 (1) 0* ** *1 13/5/7 9 (10) (11)0 00 01 (0)11 1(2–5) 5–610–250200101111121/20000100*0000external root feedersubsurface000**1(9) 10/1100/1 (2)(0)115–820–2000200101111120/1/ 20/10/100100*0000surface000**1900(0)113–510–20 (40–200)01/2001010/10/11(0) 10–20/1/ 20/10/100100*0000external browser00 (1)0 (1)**110001(0) 1<4<150 (1)100100/10/10/10/1(0) 10–20/10/1000100*0000wood & bark associate00 (1)0 (1)**16/8000/10/1* (<4)<151100100/10/10/10/10/10–20/10/1000/10/10/10/10/10/1000invertebratearthropod010 (1)0/10/10 (1)40/10/1/20/1(0)1<4*(15–25)0100100/1000/1010/1/ 2000/ 10/10/100/10/10/1001other00 (1)10/10/140/10/1/20/1(0)1<4*(15–25)0100100/1000/1010/1/ 2000/ 10/10/100/10/10/1001vertebratefish10 (1)0 (1)000*0/10/10*****00*00*0/10/100–10/1/ 2000 (1)0/10/100/10/10/1001amphibian10 (1)0 (1)000*0/10/10*****00*00*0/10/100–10/1/ 2000 (1)0/10/100/10/10/1001reptile10 (1)0 (1)000*0/10/10*****00*00*0/10/100–10/1/ 2000 (1)0/10/100/10/10/1001bird10 (1)0 (1)000*0/10/10*****00*00*0/10/100–10/1/ 2000 (1)0/10/100/10/10/1001mammal10 (1)0 (1)000*0/10/10 (1)0**00*00*0/10/100–10/1/ 2000 (1)0/10 (1)00/10/10/1001host unknown0 (1)0 (1)0 (1)0/100**0/10*****00*00*0/10/100–10/1/ 2000 (1)0/1000/10/10/1001
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)
description: Published as part of Hodda, Mike, 2022, Phylum Nematoda: feeding habits for all valid genera using a new, universal scheme encompassing the entire phylum, with descriptions of morphological characteristics of the stoma, a key, and discussion of the evidence for trophic relationships, pp. 328-330 in Zootaxa 5114 (1) on page 328, DOI: 10.11646/zootaxa.5114.1.3, http://zenodo.org/record/6391138