| Ballantyne et al. 2009: figs 21–22, 27, 29–30, 32‒34, 246‒254; Figs 3, 4E‒H | This study |
|---|
| New Guinea Highlands | Japan |
|---|
| Rare genus known only from 2 males and 2 females | Well known in Japan from males, females and larvae |
|---|
| Colour: elytra pale brown | Colour: elytra black |
|---|
| Pronotum pale brown without darker markings | Pronotum pinkish with median dark markings |
|---|
| Body outline: elongate slender L/W 3.5/1 | Body outline: heavier bodied L/W 3/1 |
|---|
| Pronotum: width less than humeral width | Pronotum: width subequal to humeral width |
|---|
| Lateral margins sinuate with posterolateral corners narrowed and apically pointed | Lateral margins slightly divergent along length, not sinuate, and posterolateral corners apically rounded |
|---|
| Elytron: Either one or two elytral interstitial lines | Elytron: with at least two well defined interstitial lines |
|---|
| Base of epipleuron narrow (as in Fig. 3) | Base of epipleuron narrow (Fig. 3) |
|---|
| Humerus visible from beneath | Humerus widely visible from beneath |
|---|
| Viewed from above the epipleuron visible at elytral margins level with posterior margin of MS | Epipleuron visible at elytral margins well behind posterior margin of MS |
|---|
| Head: without clypeolabral suture | Head: with clypeolabral suture |
|---|
| Labrum well sclerotised inflexibly joined to rest of head | Labrum not well sclerotised, flexibly joined to rest of head |
|---|
| GHW 2‒3 × SIW | GHW 3.7‒4.5 × SIW |
|---|
| Apical labial palpomere lunate inner margin entire not dentate | Apical labial palpomere shaped like a broad triangle with inner margin dentate |
|---|
| Antennal length 3‒4 × GHW | Antennal length 2 × GHW |
|---|
| FS 2‒8 expanded at anterior apical angle | FS 2‒8 not expanded at anterior apical angle |
|---|
| Abdomen: LO in V 7 retracted from lateral margins of V 7, with posterior margin rounded, not reaching into MPP, and LO occupies less than half total area of V 7 | Abdomen: LO in V 7 reaches lateral margins and into MPP and occupies all but a narrow clear portion of posterior margin of V 7 |
|---|
| V 7 with angulate corners; MPP elongate with rounded truncated apex | V 7 with angulate corners; MPP shorter, with widely rounded MPP |
|---|
| T 8 with elongated anterolateral arms longer than posterior entire portion of T 8 | T 8 with anterolateral corners very short, barely produced and apically acute |
|---|
| T 8 narrowed along posterior margin | T 8 not narrowed along posterior margin |
|---|
| T 8 ventral surface with median longitudinal trough with fine lateral margins | T 8 ventral surface without trough |
|---|
| Aedeagal sheath (Fig. 4G): posterior area of sheath sternite shallowly emarginated on right side from point of tergite attachments; not emarginated on left side; apex of sternite broadly rounded | Aedeagal sheath: posterior area of sheath sternite widely emarginated on both sides from point of tergite attachments; apex of sternite narrowly rounded |
|---|
| Ballantyne et al. 2009: figs 21–22, 27, 29–30, 32‒34, 246‒254; Figs 3, 4E‒H | This study |
|---|
| Aedeagus (Fig. 4H): BP wide, hooded, not emarginated along anterior margin and appearing to be in a single piece | Aedeagus: BP narrower, not hooded, usually with well defined emargination along anterior margin which divides BP into halves |
|---|
| Dorsal base of LL with median acute projection | Dorsal base of LL without projection |
|---|
| Inner preapical margins of LL with an elongate narrowly emarginated hair bearing area | Inner preapical margins of LL without any elongated hair bearing area |
|---|
| LL obliquely truncated along their preapical inner and outer margins | LL not obliquely truncated along their preapical inner and outer margins |
|---|
| LL apices bluntly acute | LL broadly rounded at apex |
|---|