Medauromorpha, Bresseel & Constant, 1893

Bresseel, Joachim & Constant, Jérôme, 1893, The new stick insect genus Medauromorpha gen. nov. with one new species from Vietnam and notes on Medauroidea Zompro, 2000 (Phasmida: Phasmatidae: Clitumninae), Belgian Journal of Entomology 45, pp. 1-38 : 1-38

Keys to the species of Medauromorpha gen. nov.

MALES

1. Abdominal sterna II-VII with conspicuous enlarged tubercles ( Fig. 2 C ), mesonotum with several enlarged granules ( Fig. 2 D )..................................................... M. baviensis sp. nov.

- Abdominal sterna II-VII at best with two longitudinal ridges posteriorly ( Figs 4 C , 6 C ), mesonotum smooth ( Figs 4 D , 6 D ) ..................................................................................... 2

2. Head with two definite black spines between eyes ( Fig. 6 I ), antennae reaching apex profemora ( Fig. 6 D ) and meso- and metanotum with two longitudinal black lines ( Fig. 6 D, I).................................................. M. regina (Brunner von Wattenwyl, 1907) comb. nov.

- Head with an inconspicuous transverse elevation between eyes ( Fig. 4 I ), antennae reaching to about 2/3 along profemora ( Fig. 4 D ) and with meso- and metanotum brown with pale, longitudinal markings posterolaterally ( Fig. 4 D, I ) ............................................... ....................................................... M. foedata (Brunner von Wattenwyl, 1907) comb. nov.

FEMALES

1. Mesofemora with anterodorsal carina unarmed and posterodorsal carina with a single lobe followed posteriorly by a tooth ( Fig. 5 D, H ), praeopercular organ indistinct ( Fig. 5 F, G)... ....................................................... M. foedata (Brunner von Wattenwyl, 1907) comb. nov.

- Mesofemora with three lobes on anterodorsal carina having and two lobes on posterodorsal carina ( Figs 3 D, H ; 7 D, H ), praeopercular organ distinct ( Figs 3 F, G ; 7 F, G ) ................ 2

2. Posterior portion of abdominal tergum VII with a wart-like swelling ( Fig. 7 E, G )............... ......................................................... M. regina (Brunner von Wattenwyl, 1907) comb. nov.

- Abdominal tergum VII unarmed ( Fig. 3 E, G ) ..................................... M. baviensis sp. nov.

EGGS

1. Opercular rim short, less than 1/ 15 the length of the capsule ( Fig. 8 E–H ) ............................ ......................................................... M. regina (Brunner von Wattenwyl, 1907) comb. nov.

- Opercular rim strongly elongated, more than 1/8 times the length of capsule ( Fig. 8 A–D ) .. .............................................................................................................................................. 2

2. Opercular rim smooth basally, with granules that become more numerous towards the apex ( Fig. 8 A ) .............................................................................................. M. baviensis sp. nov.

- Opercular rim not smooth basally and strongly wrinkled ( Fig. 8 B–D ).................................. ....................................................... M. foedata (Brunner von Wattenwyl, 1907) comb. nov.

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Figures

Fig. 2. Medauromorpha baviensis sp. nov., holotype ♂. A, habitus, dorsal view. B, habitus, lateral view. C, habitus, ventral view. D, head and thorax, dorsal view. E, terminalia, dorsal view. F, terminalia, ventral view. G, terminalia, posteroventral view. H, terminalia, lateral view. I, head and thorax, lateral view.

Fig. 4. Medauromorpha foedata (Brunner von Wattenwyl, 1907) comb. nov., ♂, Cuc Phuong N.P. A, habitus, dorsal view. B, habitus, lateral view. C, habitus, ventral view. D, head and thorax, dorsal view. E, terminalia, dorsal view. F, terminalia, ventral view. G, terminalia, posteroventral view. H, terminalia, lateral view. I, head and thorax, lateral view.

Fig. 6. Medauromorpha regina (Brunner von Wattenwyl, 1907) comb. nov., ♂, Me Linh B.S. A, habitus, dorsal view. B, habitus, lateral view. C, habitus, ventral view. D, head and thorax, dorsal view. E, terminalia, dorsal view. F, terminalia, ventral view. G, terminalia, posteroventral view. H, terminalia, lateral view. I, head and thorax, lateral view.

Fig. 5. Medauromorpha foedata (Brunner von Wattenwyl, 1907) comb. nov., ♀, Cuc Phuong N.P. A, habitus, dorsal view. B, habitus, lateral view. C, habitus, ventral view. D, head and thorax, dorsal view. E, terminalia, dorsal view. F, terminalia, ventral view. G, terminalia, lateral view. H, head and thorax, lateral view.

Fig. 3. Medauromorpha baviensis sp. nov., paratype ♀. A, habitus, dorsal view. B, habitus, lateral view. C, habitus, ventral view. D, head and thorax, dorsal view. E, terminalia, dorsal view. F, terminalia, ventral view. G, terminalia, lateral view. H, head and thorax, lateral view.

Fig. 7. Medauromorpha regina (Brunner von Wattenwyl, 1907) comb. nov., ♀, Me Linh B.S. A, habitus, dorsal view. B, habitus, lateral view. C, habitus, ventral view. D, head and thorax, dorsal view. E, terminalia, dorsal view. F, terminalia, ventral view. G, terminalia, lateral view. H, head and thorax, lateral view.

Fig. 8. Medauromorpha gen. nov. spp., eggs (above scale bar, lateral view; below scale bar, dorsal view). A, M. baviensis sp. nov. — B–D, M. foedata (Brunner von Wattenwyl, 1907) comb. nov. B, Cuc Phuong N.P. C, Tam Dao N.P. D, Tay Yen Tu N.R. — E–H, M. regina (Brunner von Wattenwyl, 1907) comb. nov. E, Ba Be N.P. (operculum missing). F, Cham Chu N.R. G, Me Linh B.S. H, Tay Yen Tu N.R. (operculum missing in 3 above pictures).