Table 1 in Three new genera and one new species of leaf insect from Melanesia (Phasmatodea, Phylliidae)

Table 1. Summary of key morphological features for differentiating phylliid genera and well as the clade geographic distribution.
Clade / AuthorGeographic distributionMalesFemalesNanophyllium Redtenbacher, 1906Southern Indonesia to New Guinea and Northeastern Australia.Alae, the media posterior fuses to the media anterior and then they run fused to the wing margin without fusing with other veins and bilobed posteriormedial tubercle of the head capsule.Posteriormedial tubercle of the head capsule split into two lobes and tegmina well-developed, reaching onto abdominal segment VII or VIII.Acentetaphyllium gen. nov.New Guinea.Bilobed posteriormedial tubercle of the head capsule and in the alae, the media anterior and the media posterior do not fuse, instead they both run to the wing margin, and the cubitus after splitting from the first anterior anal fuses with the media posterior near the wing margin and they run fused to the wing apex.Bilobed posteriormedial tubercle of the head capsule and tegmina rudimentary, at most only reaching onto the anterior of abdominal segment II.Walaphyllium Cumming et al., 2020New Guinea and Northeastern Australia.Abdominal shape rectangular, with segments V and VI with fully parallel-sided margins (segments IV and VII with only half parallel-sided and the remainder curved) and alae radial sector, media anterior, and media posterior not fusing with the cubitus; metafemora exterior simple, lacking a lobe.Tegmina venation with the posterior cubitus split into an anterior cubitus (CuA), first posterior cubitus (CuP1), and second posterior cubitus (CuP2).Vaabonbonphyllium gen. nov.New Guinea and Solomon Islands.Profemora exterior with two lobes, one near the middle of the length and one on the distal end and in the alae the radius is bifurcate.Protibiae exterior with two lobes (one on the distal end and one closer to the proximal end) and gonapophyses VIII average in length, with a majority of their length under the terminal abdominal segment, only the tips project from the apex.Rakaphyllium gen. nov.New Guinea and Aru Islands.Protibiae exterior with two lobes (one on the distal end and one closer to the proximal end) and alae, radius vein is simple, does not split.Protibiae exterior with two lobes (one on the distal end and one closer to the proximal end) and gonapophyses VIII long, with ca. half of their length projecting from under the terminal abdominal segment.Pulchriphyllium Griffini, 1898Seychelles, India to mainland Asia, to western Indonesia islands.Alae radial sector, media anterior, and media posterior veins fusing to the cubitus at different locations along the vein and running together to the wing margin and metafemora exterior with a prominent lobe spanning the full length of the shaft.Pro-, meso-, and metatibiae exterior with lobes; and tegmina with media and cubitus veins running side by side, touching throughout most of their lengths.Pseudomicrophyllium Cumming, 2017Philippines (Luzon).Antennae notably longer than the outstretched front legs, with antennomeres 4-5 × longer than wide and profemoral interior lobes reduced to only a single anterior spine.Posterior most spine of the prescutum is the most prominent, gonapophyses VIII which are long, reaching to the apex of the anal abdominal segment and third antennomere with stridulatory file.Microphyllium Zompro, 2001Philippines (Luzon).Antennae short (only ca. the length of the outstretched front legs), with bead-like antennomeres that are no more than 2 × longer than they are wide and profemoral interior lobes which are narrow and marked with three distinct teeth.Middle most spine along the prescutum is the largest spine and the posterior most spine is highly reduced and third antennomere lacking stridulatory file.Comptaphyllium Cumming et al., 2019Southern Indonesia to New Guinea.Tegmina media vein splits into the anterior media vein (MA) and posterior media vein (MP) very early on, immediately or at most 1/4 of the way through the wing length and they run unbranched and subparallel through the wing length; protibial interior lobe not reaching from end to end of the shaft, only restricted to the proximal 1⁄2 to 2⁄3 but never more; a head capsule with clearly defined nodes arranged in evenly spaced patterns.Terminal antennomere as long as the preceding three to five segments combined; pprescutum sagittal plane either with: the spine on the anterior rim most prominent.Chitoniscus Stål, 1875Fiji.Ocelli absent, alae media anterior (MA) runs unfused to the wing margin and media posterior (MP) fades without fusing or reaching the wing margin, and prescutum stout, ca. 2 × wider than long.Coxae ventrally are sky blue in color and prescutum anterior rim strongly protruding and distinctly angled posteriorly.Trolicaphyllium Cumming et al. 2021New Caledonia.Ocelli well-developed and in the alae, media anterior (MA) and media posterior (MP) veins fuse with the cubitus (Cu) at different locations along the cubitus and run fused to the wing margin.Coxae ventral color is the same color as the legs and thorax, prescutum anterior rim and spine not strongly protruding posteriorly, only slightly raised and vertical, and tegmina radial vein (R) runs parallel with media (M) until the split of the radial sector (Rs), at which point the radial sector (Rs) bends away distinctly.Cryptophyllium Cumming et al., 2021Mainland Asia to north/central Indonesia, Southern Philippines, and Micronesia.Vomer with two apical hooks.Third antennomere with the proximal end broad and often slightly recurved, making the segment a similar width throughout, or broader on the proximal end; fourth antennomere short and disk-like at least 3 × wider than long and notably shorter than any of the following three segments, or rarely a similar length to the following segment, but still at least 2 × as wide as long.Phyllium Illiger, 1798Malaysia, throughout Indonesia and Philippines, to New Guinea and offshore islands.Tegmina media vein running unbranched for the first 1⁄3 to 2⁄5 of the wing length, and then branching with either a single short media posterior running to the wing margin or two short media posteriors branching from the notably longer media anterior and running to the margin; protibial interior lobe variable, either fully spanning the full length or only 1⁄2 of the length; head capsule at most with random granulation but frequently bare; Abdominal shape variable, either spade-shaped (with the margins of V parallel or strongly converging and segment VI strongly converging), ovular (with margins expanding and then contracting, no segments parallel-sided), thin and slender with converging margins, bell-shaped (with margins expanding until segment VI then strongly converging) or boxy with only segment V parallel-sided (segments IV and VI only partially parallel-sided, the remainder roundedThird antennomere narrowest on the proximal end, broadening to the distal end; fourth antennomere typically as long as wide and of a similar length to each of the following three segments length, not notably shorter; tibiae lacking exterior lobes; many other features rather variable