Glyphiulus Gervais 1847
Creators: name: Golovatch, Sergei I.
name: Geoffroy, Jean-Jacques
name: Mauriès, Jean-Paul
name: Spiegel, Didier Van Den
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Diplopoda
Spirostreptida
Cambalopsidae
Glyphiulus

description: KEY TO SPECIES OF GLYPHIULUS GERVAIS, 1847 OF THE JAVANICUS- GROUP   
1. At least some crests on collum more or less obliterated (Figs 1A, B; 3A, B; 6A, B; 10A, B; 12A)...................................................................................................................... 2  
— Crests on collum fully developed, no significant parts of collum smooth (Figs 14A, B; 17B; 20A; 22A, B; 25A, B)........................................................................................ 8  
2. Pleurosternal (= lowest) crests on segments 2-4 very prominent, arcuate (Figs 1A; 3A); flagella of posterior gonopods missing; southern China.............................................. 3  
— Pleurosternal crests on segments 2-4 not particularly prominent, as on subsequent segments (Figs 6A; 10A); flagella of posterior gonopods present or absent................................. 5  
 3. Body of adults 1.1-1.4 mm wide; carinotaxy formula of midbody segments 1/1+I/i+3+I/i+1/1 (Fig. 1 A-E); male telopodites 1 slightly reduced, 4-segmented (Fig. 2C); cave in Yunnan Province, China.............................................................................. G. obliteratus n. sp.   
— Body of adults 1.6-2.2 mm wide; two divided crests below ozoporiferous cone; male telopodites 1 slightly reduced in size but 5-segmented................................................ 4  
 4. Carinotaxy formula of midbody segments 2/2+I/i+3+I/i+2/2; body unpigmented, only ocelli black; cave in Guizhou Province, China.............................................. G. zorzini   
 — Carinotaxy formula of midbody segments 2/2+I/i+3/3+I/i+2/2 (Fig. 3A, B); body and ocelli pigmented, at least partly dark; cave in Yunnan Province.... G. subobliteratus n. sp.   
 5. Axial crest on midbody segments strongly reduced, carinotaxy formula 2/2+I/i+1/1+m+1/ 1+I/i+2/2 (Fig. 6); legs slightly shorter than body diameter (Fig. 6F); anterior gonopod coxosternum with particularly high median outgrowths, devoid of a notch at distal margin (Fig. 8G); cave in North Vietnam........................................... G. mediobliteratus n. sp.   
— Axial crest on midbody segments not so strikingly reduced; legs subequal to or even longer than body diameter; anterior gonopod coxosternum deeply notched at distal margin; caves in Guizhou Province, China....................................................................................... 6  
 6. Carinotaxy formula of midbody segments 1/0+1+I/i+3/3+I/i+1+1/0 (Fig. 12B, C); male telopodites 1 normal, 5-segmented (Fig. 13C); anterior gonopods as in Figure 13G, posterior gonopods as in Figure 13H......................................... G. parobliteratus n. sp.   
— Carinotaxy formula of midbody segments different; male telopodites 1 reduced in size but 5-segmented (Fig. 11C); anterior gonopods and posterior gonopods not as above...... 7  
 7. Carinotaxy formula of midbody segments 1/0+1+I/i+3+I/i+1+1/0 (Fig. 9 A-E); body and ocelli pigmented; medial outgrowth of anterior gonopod coxosternum folded (Fig. 11G)................................................................................................... G. obliteratoides n. sp.   
 — Carinotaxy formula of midbody segments 2/2+I/i+3/3+I/i+2/2; body and ocelli unpigmented medial outgrowth of anterior gonopod coxosternum not folded.... G. sinensis n. comb.   
 8. Carinotaxy formula of collum typical for the granulatus -group, I-VI+7a+pc+ma+pc+7a+VI-I, that of midbody segments 2+I/i+3/3+I/i+2 (Fig. 14 A-E), texture of both lateralmost crests unusually micropunctate (Fig. 15B); male legs 1 and gonopods as in Figure 16C, G, H; cave in Laos...................................................................................... G. costulifer n. sp.   
— Carinotaxy formula of collum not as above, both lateralmost crests usual, smooth; male legs 1 and gonopods not as above............................................................................... 9  
 9. Carinotaxy formula of collum I-III+P+M+P+IV-I (i.e. all crests complete), that of midbody segments 2/2+I/i+3/3+I/i+2/2; anterior gonopod coxosternum without a deep notch at distal margin (unknown in G. formosus); male telopodites 1 strongly reduced, 1-3-segmented (unknown in G. formosus); flagella of posterior gonopods plumose distally (unknown in G. formosus)........................................................................................ 10   
— Carinotaxy formula of collum not as above, at least some of the crests being abbreviated; carinotaxy formula of midbody segments as above or different; anterior gonopod coxosternum often deeply notched at distal margin; male telopodites 1 usually less reduced; flagella of posterior gonopods, when present, bare or plumose................................................. 13  
 10. Adult body about 1.5 mm wide; male femora 6 and 7 with a glandular adenostyle distoventrally; Zhejiang Province, China.................................................. G. recticullus   
— Body width at least 1.8 mm; male femora without adenostyles................................. 11  
 11. Coloration light yellow-brown; only 12 ocelli in a subtriangular patch, black; adult body 1.8 mm wide; cave in Guangxi Province, China........................................... G. pulcher   
— Coloration darker, epigean species; fewer ocelli per eye patch; body about 2.5-2.6 mm wide......................................................................................................................... 12  
 12. Nine ocelli in two rows per patch; Hong Kong (♀).................................... G. formosus   
 — Seven ocelli in three rows per patch; male telopodites reduced, 3-segmented; half-anterior gonopod with a subsecuriform coxosternum; Mt. Bana, Danang Province, Vietnam................................................................................................................... G. mediator   
 13. Carinotaxy formula of collum I-V+P+ma+P+V-I, that of midbody segments 3/3+I/i+3+I/ i+3/3; not only male coxa 1 but also femur 1 with a median outgrowth; northern Thailand.................................................................................................................. G. siamensis   
— Carinotaxy formulae not as above; only male coxae 1 with a pair of paramedian processes................................................................................................................................. 14  
14. Carinotaxy formula of midbody segments 2+I/i+3+I/i+2.......................................... 15  
— Carinotaxy formula of midbody segments 2/2+I/i+3/3+I/i+2/2................................ 16  
 15. Carinotaxy formula of collum I-III+4c+5a+pc+ma+pc+5a+4c+III-I (Fig. 22A, B); male telopodites 1 reduced in size (Fig. 24B); half-anterior gonopod coxosternum narrowly notched at distal margin (Fig. 24F); cave in Guizhou Province, China.................................................................................................................... G. paracostulifer n. sp.   
 — Carinotaxy formula of collum I-IV+P+ma+P+IV-I; male telopodites 1 not reduced in size; half-anterior gonopod coxosternum broadly and barely emarginate at distal margin; cave in northern Vietnam...................................................................... G. vietnamicus   
16. Coloration entirely pallid, ocelli not visible; adult body up to about 1.0 mm wide; paramedian outgrowths of anterior gonopod half-coxosternum especially high and large (e.g., Fig. 21G)......................................................................................................... 17  
— Coloration usually darker, ocelli always dark and discernible; body at least 1.3 mm wide; paramedian outgrowths of anterior gonopod half-coxosternum less conspicuous...... 18  
 17. Ozoporiferous cones much wider than high; epiproct normal, smooth dorsally; male telopodites 1 reduced, 2-segmented; half-anterior gonopod with a particularly deep notch, such that both distal outgrowths are extremely prominent; posterior gonopods without flagella; Java, Indonesia (introduction from continental Southeast Asia?)... G. javanicus   
 — Ozoporiferous cones about as high as wide (Fig. 20 A-E); epiproct unusual in showing two paramedian crests (Fig. 20E); male telopodites 1 normal, 5-segmented (Fig. 21C); half-anterior gonopod weakly emarginated at distal margin, only paramedian outgrowths prominent (Fig. 21G); posterior gonopods with flagella (Fig. 21H); cave in Laos............................................................................................................... G. percostulifer n. sp.   
 18. Carinotaxy formula of collum particularly complex, I-II+3c+4a+5c+VI+7c+8a+pc+ma +pc+8a+7c+VI+5c+4a+3c+II-I (Fig. 17B); male telopodites 1 reduced in size, but still 5-segmented (Fig. 19C); half-anterior gonopod coxosternum subsecuriform (Fig. 19G); flagella of posterior gonopods plumose distally (Fig. 19H); cave in Laos............................................................................................................................. G. subcostulifer n. sp.   
 — Carinotaxy formula of collum I+2c+III-IV+5c+6a+pc+ma+pc+6a+5c+IV-III+2c+I (Fig. 25A, B); male telopodites 1 normal, 5-segmented (Fig. 26C); half-anterior gonopod coxosternum as in Figure 26G; posterior gonopods as in Figure 26H, flagella bare; cave in Sichuan Province, China................................................................... G. intermedius
description: Published as part of Golovatch, Sergei I., Geoffroy, Jean-Jacques, Mauriès, Jean-Paul & Spiegel, Didier Van Den, 2007, Review of the millipede genus Glyphiulus Gervais, 1847, with descriptions of new species from Southeast Asia (Diplopoda, Spirostreptida, Cambalopsidae). Part 2: the javanicus-group, pp. 417-456 in Zoosystema 29 (3) on pages 450-452, DOI: 10.5281/zenodo.5393630