Phryganistria Stål, 1875

Phryganistria Stål, 1875:14 .

Type species

Bacteria sarmentosa Westwood, 1848: 66, pl. 32, figs 1–2 (= Bacteria virgea Westwood, 1848: 66), by subsequent designation by Kirby, 1904: 358.

Subspecies and species included

1. Phryganistria bachmaensis (Ta & Hoang, 2004) comb. nov. [central Vietnam]

2. Phryganistria fruhstorferi (Brunner von Wattenwyl, 1907) [Myanmar, S-China]

3. Phryganistria grandis Rehn, 1906 [Vietnam, Laos and Myanmar]

4. Phryganistria guanxiensis Chen & He, 2008 [S-China (Guangxi)]

5. Phryganistria heusii heusii (Hennemann & Conle, 1997) [northern Vietnam]

6. Phryganistria heusii yentuensis subsp. nov. [northeast Vietnam]

7. Phryganistria longzhouensis Chen & He, 2008 [S-China (Guangxi)]

8. Phryganistria tamdaoensis sp. nov. [North & central Vietnam]

9. Phryganistria virgea (Westwood, 1848) [NE-India, Bhutan, Sikkim, Darjeeling, Bangladesh & Pulau Penang]

syn. Phryganistria sarmentosa (Westwood, 1848)

Keys to the species and subspecies of Phryganistria Stål, 1875

Note

The two Chinese species described by Chen & He (2008), P. guanxiensis and P. longzhouensis, are not included here because the specimens were not available for investigation.

Females

1. Cerci short, conical and cylindrical or oval in cross-section; not or very slightly projecting over the apex of the abdomen …………………………………………………………………………2

– Cerci laterally compressed, enlarged and lanceolate, strongly projecting over apex of anal segment ……………………………………………………… P. tamdaoensis sp. nov. (Fig. 5A–F)

2. Subgenital plate short, indistinctly projecting over apex of anal segment, not lanceolate ……3

– Subgenital plate long and lanceolate, distinctly projecting over apex of anal segment ……5

3. Median segment at best 1/3 the length of metanotum; dorsal carina of meso- and metabasitarsus smooth; very large (body length> 207.0 mm) …………………………………………4

– Median segment> 1/3 the length of metanotum; dorsal carina of meso- and metabasitarsus serrate; smaller species (body length 197.0 mm) … P. fruhstorferi (Brunner von Wattenwyl, 1907)

4. Terga II–VII smooth; posterolateral angles of anal segment tapered … P. grandis Rehn, 1906

– Terga II–VII with a posteromedian granule; posterolateral angles of anal segment expanded and rounded ………………………………………………………………………………………………6

5. Terga III–VI laterally expanded and gently rounded; subgenital plate projecting over the anal segment by more than the combined length of terga VIII–X … P. virgea (Westwood, 1848)

– Terga III–VI parallel-sided; subgenital plate projecting over the anal segment by less than the combined length of terga VIII–X ……… P. bachmaensis (Ta & Hoang, 2004) (Fig. 3A–F)

6. Praeopercular organ formed by a pair of prominent, triangular, lobe-like spines ………………… ………………………………………………………… P. heusii heusii (Hennemann & Conle, 1997)

– Praeopercular organ formed by a pair of rounded, lobe-like protuberances, rounded laterally ………………………………………………………… P. heusii yentuensis subsp. nov. (Fig. 8A–F)

Males

1. Meso- and metafemora robust and considerably broader than corresponding tibiae ………2

– Meso- and metafemora slender, not considerably broader than corresponding tibiae ………3

2. Prominent sub-apical spine on outer ventral carinae of meso- and metafemora, semi-tergites straight ………………………………………………………………………………………………4

– No prominent sub-apical spine on outer ventral carinae of meso- and metafemora, semitergites strongly elongated and incurving … P. bachmaensis (Ta & Hoang, 2004) (Fig. 3I–N)

3. Median segment about 1/3 the length of metanotum; body plain brown; no prominent sub-apical spine on outer ventral carinae; posteroventral carina of profemora dentate ……………………… ………………………………………………………………………… P. virgea (Westwood, 1848)

– Median segment 2/5 the length of metanotum; thorax black laterally; no prominent sub-apical spine on outer ventral carinae; posteroventral carina of profemora unarmed (at best with two teeth) ……………………………………………………… P. fruhstorferi (Brunner von Wattenwyl, 1907)

4. Profemora pinkish, ventral carinae of meso- and metafemora blue with black spines, cerci flattened …………………………………………………………………… P. tamdaoensis sp. nov. (Fig. 5I–N)

– Profemora not pinkish, meso- and metafemora brown with black armature, cerci cylindrical in cross section ………………………………………………………………………………………………5.

5. Profemora black with base pale straw ……………………………………………………………6.

– Profemora plain brown …………………………………………………… P. grandis Rehn, 1906

6. Greater portion of the mesonotum except anterior and posterior margin covered by a washed malachite green or creamish grey marking, meso- and metapleura coloured as body ……………………………………………………… P. heusii heusii (Hennemann & Conle, 1997)

– Body light brown, anterior portion of meso- and metapleura black …………………………… …………………………………………………………… P. heusii yentuensis subsp. nov. (Fig. 8I–N)