Difference between revisions of "Polyrhachis decora"
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{{Treatment start | {{Treatment start | ||
| − | | Ordo = | + | | Ordo = Hymenoptera |
| − | | Familia = | + | | Familia = Formicidae |
| Genus = Polyrhachis | | Genus = Polyrhachis | ||
| Specific name = decora | | Specific name = decora | ||
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| − | {{Section| | + | {{Section|class=description|heading = Description|content=Figures 57, 60, 63}} |
| − | + | {{Section|id=type_material|heading = Type Material|content={{Collection Event | |
| + | | DecimalLongitude = 132.3 | ||
| + | | DecimalLatitude = -2.9166667 | ||
| + | | Country = INDONESIA | ||
| + | | Locality = New Guinea | ||
| + | | DateCollected = 1959-06-03 | ||
| + | | Collector = T. C. Maa | ||
| + | }} | ||
| + | {{Collection Event | ||
| + | | DecimalLongitude = 132.83333 | ||
| + | | DecimalLatitude = -2.8 | ||
| + | | Country = New Guinea | ||
| + | | Locality = Vogelkop | ||
| + | | DateCollected = 1959-06-06 | ||
| + | | Collector = T. C. Maa | ||
| + | }} | ||
| + | {{Collection Event | ||
| + | | Country = New Guinea | ||
| + | | DateCollected = 1959-06-10 | ||
| + | | Collector = J. L. Gressitt | ||
| + | }} | ||
| + | }} | ||
| + | {{Section|class=description|heading = Description|content=WORKER | ||
Dimensions: TL c. 5.19 - 5.74 (5.19); HL 1.31 - 1.37 (1.31); HW 1.09 - 1.15 (1.09); CI 81 - 84 (83); SL 1.37 - 1.47 (1.43); SI 126 - 131 (131); PW 0.90 - 0.94 (0.90); MTL 1.43 - 1.47 (1.43) (7 measured). | Dimensions: TL c. 5.19 - 5.74 (5.19); HL 1.31 - 1.37 (1.31); HW 1.09 - 1.15 (1.09); CI 81 - 84 (83); SL 1.37 - 1.47 (1.43); SI 126 - 131 (131); PW 0.90 - 0.94 (0.90); MTL 1.43 - 1.47 (1.43) (7 measured). | ||
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Clypeus with anterior margin arcuate, shallowly medially emarginate; in profile clypeus weakly convex with distinct notch anteriorly formed by furrow between clypeal striae; basal margin very weakly impressed. Frontal triangle indistinct. Frontal carinae very short, strongly raised with laminate lobes. Eyes very convex, protuberant, somewhat protracted posteriorly. Sides of head in front of eyes weakly converging anteriorly; strongly converging behind into laterally and posteriorly immarginate posterolateral corners; in lateral view relatively high vertex descends abruptly into narrow margin. Mesosomal dorsum laterally and posteriorly immaginate. Pronotal humeri armed with very strong, laterally and anteriorly directed spines with raised margins, dorsum of spines shallowly concave. Promesonotal suture distinct; metanotal groove lacking. Combined length of mesosomal and propodeal dorsa distinctly longer than pronotum. Propodeal dorsum descending uninterrupted into rather short propodeal declivity. Petiole scale-like with sharp dorsal margin terminating laterally in short, acute teeth. Base of first gastral segment anteriorly convex. | Clypeus with anterior margin arcuate, shallowly medially emarginate; in profile clypeus weakly convex with distinct notch anteriorly formed by furrow between clypeal striae; basal margin very weakly impressed. Frontal triangle indistinct. Frontal carinae very short, strongly raised with laminate lobes. Eyes very convex, protuberant, somewhat protracted posteriorly. Sides of head in front of eyes weakly converging anteriorly; strongly converging behind into laterally and posteriorly immarginate posterolateral corners; in lateral view relatively high vertex descends abruptly into narrow margin. Mesosomal dorsum laterally and posteriorly immaginate. Pronotal humeri armed with very strong, laterally and anteriorly directed spines with raised margins, dorsum of spines shallowly concave. Promesonotal suture distinct; metanotal groove lacking. Combined length of mesosomal and propodeal dorsa distinctly longer than pronotum. Propodeal dorsum descending uninterrupted into rather short propodeal declivity. Petiole scale-like with sharp dorsal margin terminating laterally in short, acute teeth. Base of first gastral segment anteriorly convex. | ||
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Mandibles finely longitudinally striate. Sculpture of head, mesosoma and petiole consisting of strongly raised, regularly spaced striae with deep interspaces resulting in a “ ploughed ” appearance; striae anteriorly converging on clypeus, U-shaped on apex of vertex, strongly curved medially from posterolateral corners towards central area between frontal carinae. Pronotal dorsum with inverse, open V-shaped striae, descending obliquely and uninterrupted onto sides. Mesonotal and propodeal dorsa with regular, U-shaped striae that are continued along sides and interrupted medially by smooth surface of declivity. Petiole with dorsally bowed striae on both faces. Gaster with distinctly finer striae, longitudinal on sides, less distinct and anteriorly converging on dorsum. | Mandibles finely longitudinally striate. Sculpture of head, mesosoma and petiole consisting of strongly raised, regularly spaced striae with deep interspaces resulting in a “ ploughed ” appearance; striae anteriorly converging on clypeus, U-shaped on apex of vertex, strongly curved medially from posterolateral corners towards central area between frontal carinae. Pronotal dorsum with inverse, open V-shaped striae, descending obliquely and uninterrupted onto sides. Mesonotal and propodeal dorsa with regular, U-shaped striae that are continued along sides and interrupted medially by smooth surface of declivity. Petiole with dorsally bowed striae on both faces. Gaster with distinctly finer striae, longitudinal on sides, less distinct and anteriorly converging on dorsum. | ||
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Off-white, erect, medium length hairs on dorsum of head and mesosoma, a few distinctly shorter hairs along dorsal margin of petiole. Hairs on gaster golden, somewhat longer, curved posteriorly on dorsum. Silvery, appressed pubescence virtually absent from head and mesosoma; small, thin patches on propodeal lobes, along declivity, coxae and subpetiolar process. Gaster with fairly dense, reddish-golden pubescence mostly restricted to dorsum of first segment. | Off-white, erect, medium length hairs on dorsum of head and mesosoma, a few distinctly shorter hairs along dorsal margin of petiole. Hairs on gaster golden, somewhat longer, curved posteriorly on dorsum. Silvery, appressed pubescence virtually absent from head and mesosoma; small, thin patches on propodeal lobes, along declivity, coxae and subpetiolar process. Gaster with fairly dense, reddish-golden pubescence mostly restricted to dorsum of first segment. | ||
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Black with very smooth and glossy striae on head, mesosoma and petiole. Antennal scapes very dark, funiculi dark reddish brown with only apical funicular segment distinctly lighter. Legs dark reddish brown, except trochanters and femora, blending from light yellow over proximal halves to very dark brown at distal ends. | Black with very smooth and glossy striae on head, mesosoma and petiole. Antennal scapes very dark, funiculi dark reddish brown with only apical funicular segment distinctly lighter. Legs dark reddish brown, except trochanters and femora, blending from light yellow over proximal halves to very dark brown at distal ends. | ||
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Sexuals and immature stages unknown.}} | Sexuals and immature stages unknown.}} | ||
| − | {{Section| | + | {{Section|class=materials_examined|heading = Materials Examined|content=ADDITIONAL MATERIAL EXAMINED |
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PAPUA NEW GUINEA: Huon Pen., Mongi Watershed, Wamuki, 800 m, 19 - 20. iv. 1955 (E. O. Wilson # 847 (w).}} | PAPUA NEW GUINEA: Huon Pen., Mongi Watershed, Wamuki, 800 m, 19 - 20. iv. 1955 (E. O. Wilson # 847 (w).}} | ||
| − | {{Section| | + | {{Section|class=etymology|heading = Etymology|content=ETYMOLOGY |
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Named for its highly decorative sculpture pattern.}} | Named for its highly decorative sculpture pattern.}} | ||
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| + | {{Section|class=discussion|heading = Discussion|content=REMARKS | ||
| + | {{Taxon name|Polyrhachis decora|''P. decora''|Hymenoptera Nameserver LSID = urn:lsid:biosci.ohio-state.edu:osuc_concepts:238314}} is rather similar to {{Taxon name|Polyrhachis gressitti|''gressitti''|Hymenoptera Nameserver LSID = urn:lsid:biosci.ohio-state.edu:osuc_concepts:238315}}, kokoda and mamba which all have virtually identical sculpture of the mesosoma and a rather convex base of the first gastral segment. It differs from all of them in having a highly convex vertex, a feature notably distinct in lateral view. Additionally, {{Taxon name|Polyrhachis decora|''decora''|Hymenoptera Nameserver LSID = urn:lsid:biosci.ohio-state.edu:osuc_concepts:238314}} differs from {{Taxon name|Polyrhachis gressitti|''gressitti''|Hymenoptera Nameserver LSID = urn:lsid:biosci.ohio-state.edu:osuc_concepts:238315}} in having the mesosomal dorsum distinctly longer, from kokoda by the longitudinally striate first gastral segment and from mamba by the strongly convex, protuberant eyes.}} | ||
==Taxon Treatment== | ==Taxon Treatment== | ||
*{{aut|Kohout, R. J.}}; 2007: Revision of the subgenus Aulacomyrma Emery of the genus Polyrhachis F. Smith, with descriptions of new species., Memoirs of the American Entomological Institute '''80''': 220-221. {{doi|TODO}} | *{{aut|Kohout, R. J.}}; 2007: Revision of the subgenus Aulacomyrma Emery of the genus Polyrhachis F. Smith, with descriptions of new species., Memoirs of the American Entomological Institute '''80''': 220-221. {{doi|TODO}} | ||
| − | [[Category: | + | [[Category:Work Pending at Plazi]] |
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| + | {{Provided by Plazi | id = E3A3FFF18A857C9DF03E3F3EA91040D1}} | ||
Latest revision as of 03:29, 15 July 2014
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Ordo: Hymenoptera
Familia: Formicidae
Genus: Polyrhachis
Name
Polyrhachis decora Kohout, R. J., 2007 – Wikispecies link – Pensoft Profile
- Polyrhachis decora Kohout, R. J., 2007, Memoirs of the American Entomological Institute 80: 220-221.
Description
Figures 57, 60, 63
Type Material
INDONESIA New Guinea T. C. Maa New Guinea Vogelkop T. C. Maa New Guinea J. L. Gressitt
Description
WORKER Dimensions: TL c. 5.19 - 5.74 (5.19); HL 1.31 - 1.37 (1.31); HW 1.09 - 1.15 (1.09); CI 81 - 84 (83); SL 1.37 - 1.47 (1.43); SI 126 - 131 (131); PW 0.90 - 0.94 (0.90); MTL 1.43 - 1.47 (1.43) (7 measured). Clypeus with anterior margin arcuate, shallowly medially emarginate; in profile clypeus weakly convex with distinct notch anteriorly formed by furrow between clypeal striae; basal margin very weakly impressed. Frontal triangle indistinct. Frontal carinae very short, strongly raised with laminate lobes. Eyes very convex, protuberant, somewhat protracted posteriorly. Sides of head in front of eyes weakly converging anteriorly; strongly converging behind into laterally and posteriorly immarginate posterolateral corners; in lateral view relatively high vertex descends abruptly into narrow margin. Mesosomal dorsum laterally and posteriorly immaginate. Pronotal humeri armed with very strong, laterally and anteriorly directed spines with raised margins, dorsum of spines shallowly concave. Promesonotal suture distinct; metanotal groove lacking. Combined length of mesosomal and propodeal dorsa distinctly longer than pronotum. Propodeal dorsum descending uninterrupted into rather short propodeal declivity. Petiole scale-like with sharp dorsal margin terminating laterally in short, acute teeth. Base of first gastral segment anteriorly convex. Mandibles finely longitudinally striate. Sculpture of head, mesosoma and petiole consisting of strongly raised, regularly spaced striae with deep interspaces resulting in a “ ploughed ” appearance; striae anteriorly converging on clypeus, U-shaped on apex of vertex, strongly curved medially from posterolateral corners towards central area between frontal carinae. Pronotal dorsum with inverse, open V-shaped striae, descending obliquely and uninterrupted onto sides. Mesonotal and propodeal dorsa with regular, U-shaped striae that are continued along sides and interrupted medially by smooth surface of declivity. Petiole with dorsally bowed striae on both faces. Gaster with distinctly finer striae, longitudinal on sides, less distinct and anteriorly converging on dorsum. Off-white, erect, medium length hairs on dorsum of head and mesosoma, a few distinctly shorter hairs along dorsal margin of petiole. Hairs on gaster golden, somewhat longer, curved posteriorly on dorsum. Silvery, appressed pubescence virtually absent from head and mesosoma; small, thin patches on propodeal lobes, along declivity, coxae and subpetiolar process. Gaster with fairly dense, reddish-golden pubescence mostly restricted to dorsum of first segment. Black with very smooth and glossy striae on head, mesosoma and petiole. Antennal scapes very dark, funiculi dark reddish brown with only apical funicular segment distinctly lighter. Legs dark reddish brown, except trochanters and femora, blending from light yellow over proximal halves to very dark brown at distal ends. Sexuals and immature stages unknown.
Materials Examined
ADDITIONAL MATERIAL EXAMINED PAPUA NEW GUINEA: Huon Pen., Mongi Watershed, Wamuki, 800 m, 19 - 20. iv. 1955 (E. O. Wilson # 847 (w).
Etymology
ETYMOLOGY Named for its highly decorative sculpture pattern.
Discussion
REMARKS P. decoraHNS is rather similar to gressittiHNS, kokoda and mamba which all have virtually identical sculpture of the mesosoma and a rather convex base of the first gastral segment. It differs from all of them in having a highly convex vertex, a feature notably distinct in lateral view. Additionally, decoraHNS differs from gressittiHNS in having the mesosomal dorsum distinctly longer, from kokoda by the longitudinally striate first gastral segment and from mamba by the strongly convex, protuberant eyes.
Taxon Treatment
- Kohout, R. J.; 2007: Revision of the subgenus Aulacomyrma Emery of the genus Polyrhachis F. Smith, with descriptions of new species., Memoirs of the American Entomological Institute 80: 220-221. doi
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