Probolomyrmex longiscapus (Eguchi, K., Yoshimura, M. & Yamane, S. 2006)

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Eguchi, K., Yoshimura, M., Yamane, S. (2006) The Oriental species of the ant genus Probolomyrmex (Insecta: Hymenoptera: Formicidae: Proceratiinae).. Zootaxa 1376 : 16 – 26, doi. Versioned wiki page: 2014-07-15, version 56455,,_K.,_Yoshimura,_M._%26_Yamane,_S._2006)&oldid=56455 , contributors (alphabetical order): PlaziBot.

Citation formats to copy and paste


author = {Eguchi, K. AND Yoshimura, M. AND Yamane, S.},
journal = {Zootaxa},
title = {The Oriental species of the ant genus Probolomyrmex (Insecta: Hymenoptera: Formicidae: Proceratiinae).},
year = {2006},
volume = {1376},
issue = {},
pages = {16 -- 26},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2014-07-15, version 56455,,_K.,_Yoshimura,_M._%26_Yamane,_S._2006)&oldid=56455 , contributors (alphabetical order): PlaziBot.}


RIS/ Endnote:

T1 - The Oriental species of the ant genus Probolomyrmex (Insecta: Hymenoptera: Formicidae: Proceratiinae).
A1 - Eguchi, K.
A1 - Yoshimura, M.
A1 - Yamane, S.
Y1 - 2006
JF - Zootaxa
JA -
VL - 1376
IS -
UR -
SP - 16
EP - 26
PB -
M1 - Versioned wiki page: 2014-07-15, version 56455,,_K.,_Yoshimura,_M._%26_Yamane,_S._2006)&oldid=56455 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Eguchi2006Zootaxa1376">{{Citation
| author = Eguchi, K., Yoshimura, M., Yamane, S.
| title = The Oriental species of the ant genus Probolomyrmex (Insecta: Hymenoptera: Formicidae: Proceratiinae).
| journal = Zootaxa
| year = 2006
| volume = 1376
| issue =
| pages = 16 -- 26
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2020-11-26

}} Versioned wiki page: 2014-07-15, version 56455,,_K.,_Yoshimura,_M._%26_Yamane,_S._2006)&oldid=56455 , contributors (alphabetical order): PlaziBot.</ref>

See also the citation download page at the journal.


Ordo: Hymenoptera
Familia: Formicidae
Genus: Probolomyrmex


Probolomyrmex longiscapus Eguchi, K., 2006Wikispecies linkPensoft Profile


(Figs. 4A-F, 9D, 10D, 13A-E, 15E, F, 16G-I)

Materials Examined

China Nanqian Village G. Zeng China Nanqian Village G. Zeng

Materials Examined

VIETNAM Cuc Phuong N. P. Katsuyuki Eguchi


Worker. HL, 0.77-0.79 mm; HW, 0.47-0.48 mm; SL, 0.67-0.69 mm; CI, 61-62; SI, 142-147; WL, 1.13-1.18 mm; PW, 0.39-0.40 mm; DPtW, 0.21-0.23 mm; DPtI, 53-58; PtH, 0.28-0.30 mm; PtNL, 0.41-0.43 mm; LPtI, 141-146 (N=5). Nontype workers belonging to a single colony from N. Vietnam agree well with the original description (Xu & Zeng, 2000), but the following small differences are recognized in the former: petiole in dorsal view weakly widened around the midlength; posterodorsal part of petiole in dorsal view with a slight median emargination; gaster not so distinctly punctured dorsally. Queen (teneral alate queen). HL, 0.75-0.76 mm; HW, 0.47-0.48 mm; SL, 0.66-0.67 mm; EL, 0.15 mm; CI, 62-64; SI, 140; EI, 31-32; WL, 1.20-1.22 mm; PW, 0.44-0.46 mm; DPtW, 0.23 mm; DPtI, 50; PtH, 0.30-0.31 mm; PtNL, 0.41 mm; LPtI, 132-137 (N=2, but N=1 for DPtW and DPtI). Head in full-face view elongate, with weakly convex sides and almost straight occipital border. Frontal carina in profile relatively high as in the worker (Fig. 9D). Eye a little longer than the width of apical antennal segment. Antennal scape when laid backward extending beyond the level of posterior margin of lateral ocelli; relative lengths of antennal segments II-XII as in the worker (see Fig. 10D); segment III a little longer than IV; IV a little longer than broad. Pronotum large; mesoscutum ca. 1.3 times as long as broad, in profile very weakly convex, without notauli; parapsidal lines very fine; scuto-scutellar suture fine, very weakly and roundly curved posteriad; scutellum in profile with steep posterior slope; axilla poorly separated from scutellum by an obscure impression but not by a suture; mesopleuron (except in its posteriormost part) well divided by a suture into anepisternum and katepisternum; raised median portion of metanotum with gentle lateral slopes; suture between metepisternum and propodeum absent; a deep depression present dividing metepisternum into anepisternum and katepisternum; orifice of metapleural gland small, opening posterolaterad; posterior margin of dorsum of propodeum in dorsal view moderately concave; posterior face of propodeum margined laterally with a carina which forms a triangular propodeal spine; outline from propodeal spine to propodeal lobe in profile weakly concave. Petiole including subpetiolar process much longer than high, in profile with weakly concave posterior outline (above the articulation with gaster), in dorsal view weakly widened around midlength; posterodorsal margin of petiolar node in dorsal view with a shallow median emargination/concavity; subpetiolar process inconspicuous, only with an acute anterior projection. Abdominal segment III (gastral segment I) in profile relatively short, gently narrowed anteriad in the anterior 3/4. Wing structure and venation as in the male. Hind wing with three hamuli. Male. HL, 0.54 mm; HW, 0.58 mm; CI, 107; HD, 0.50 mm; HDI, 93; EL, 0.28 mm; SL, 0.41 mm; SI, 71; MstlL, 0.20 mm; MstlW, 0.20 mm; MstlI, 100; WL, 1.13 mm; PtNL, 0.39 mm; PtH, 0.27 mm; LPtI, 144 (N=1). Head in lateral view relatively thick (HDI>90.00); protrusion of frontoclypeal region relatively long so that antennal insertion is situated in the middle of its dorsal surface. Frontal carina high, and distinctly exceeding posterior margin of antennal insertions in full-face view. Eye relatively broad, strongly widened ventrally. Antennal flagellum relatively long, filiform; antennal segment III distinctly longer than segment II; segment XI (the third from apex) distinctly longer than broad; ventrolateral surface of the apical segment not concave. Mandible elongatedtriangular, with only a single strong apical tooth on its masticatory margin; basal angle rounded and indistinct. Palpal formula: maxillary 4, labial 2; maxillary palp moderately long; the third palpomere distinctly longer than the second, the apical distinctly longer than the third. Pronotum in profile distinctly higher than mesoscutum; metanotum moderately produced posteriorly, and a suture separating it from mesoscutellum weakly notched; anepisternum of metapleuron separated from metakatepisternum and propodeum by a deep furrow; a suture between metakatepisternum and propodeum very weak, unclear; dorsal margin of the propodeum forming a weak angle with the posterior slope.


With the mesosoma in dorsal view, mesonotum lacking notauli; parapsidal lines distinct; axillae distinct; mesoscutellum broader than long; declivitous face of the propodeum very slightly concave with weak, obtuse lateral lamellae. Petiole in lateral view without a distinct peduncle; its node long with gentle anterior slope and steep posterior slope; posterodorsal margin angular; subpetiolar process narrowly developed and its apex sharp. Abdominal sternum IX long; its apical margin gently pointed medially. Genitalia retractile. With the phallus in lateral view, the basal ring moderately long and its dorsal margin gentle; basiparamere with the dorsal margin gently raised in its basal portion, and posterodorsal margin angular; digitus volsellaris simply curved ventrally in its apical portion; penis valve distinctly narrowed apically; its apical portion relatively sharp and slightly curved ventrally. Paramere thin; its expanded inner faces directed ventrally with the apical portion not curved dorsally. Aedeagal apodeme relatively broad. On fore wing, costa and radius apical to stigma vestigial; Rsf2 and Rsf3 completely absent; radial sector never reaching costal margin; Mf1, Rs+M and media apical to Rs+M present; cu-a cross vein present. On hind wing, Rsf4+5 present; jugal lobe absent. FIGURE 10. Left antenna of the workers. A, Probolomyrmex dammermaniHNS Wheeler (JV04-SKY- 12); B, P. itoiHNS sp. nov. (type series); C, P. longinodusHNS Terayama et Ogata(holotype); D, P. longiscapusHNS Xu et Zeng(Eg09vi05-18); E, P. maryatiaeHNS sp. nov. (type series); F, P. okinawensisHNS Terayama et Ogata(paratype from Chibana, Okinawa-hontou); G, P. vietiHNS sp. nov. (type series); H, P. watanabeiHNS Tanaka (Eg21xi05-01).


Recognition. In the worker and queen, P. longiscapusHNS is most similar to P. longinodusHNS Terayama et Ogata(see under P. longinodusHNS), and relatively similar to P. watanabeiHNS. It is well separated from P. watanabeiHNS by the posterodorsal margin of petiole not produced medially and antennal segment III a little longer than IV in the worker and queen. In the male, P. longiscapusHNS is also very similar to P. longinodusHNS, but the former can be separated from the latter by the following characteristics: 1) distinctly elongate mandibles, without teeth other than an apical tooth on the masticatory margin, 2) shorter and broader apical segment of maxillary palp, 3) steeper posterior slope of petiolar node and angular posterodorsal corner of the node, 4) weaker protrusion of metanotum in lateral view.


Distribution. China (Yunnan) and N. Vietnam.

Taxon Treatment

  • Eguchi, K.; Yoshimura, M.; Yamane, S.; 2006: The Oriental species of the ant genus Probolomyrmex (Insecta: Hymenoptera: Formicidae: Proceratiinae)., Zootaxa 1376: 16-26. doi
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