Capuyanus magwilangi, Bresseel & Constant, 2017

Bresseel, Joachim & Constant, Jérôme, 2017, Philippine mossy forest stick insects: first record of the genus Otraleus Günther, 1935 in the country, with four new species, and the new genus Capuyanus gen. nov. (Phasmida, Diapheromeridae, Necrosciinae), European Journal of Taxonomy 265 (265), pp. 1-31 : 25-29

Capuyanus magwilangi gen. et sp. nov.

urn:lsid:zoobank.org:act:CB199024-1835-4FCE-A9A4-18FC375D444F

Figs 13 , 14B , 15–16

Etymology

The species epithet is given after Ir. Andrew Magwilang, head of the National Commission on Indigenous People bureau in Sagada, in acknowledgement of all his help, friendship and support during our fieldwork in Sagada.

Type material

Holotype PHILIPPINES: ♂, Luzon, Mountain Province, Sagada, 16°57′40′′ N, 121°1′18′′ E, mossy forest, 15 Apr. 2014, Mission Leopold III funds, Constant J., Bresseel J. and co. leg. ( RBINS IG 32700 ).

Paratype PHILIPPINES: 1 ♀, same collection data as holotype ( RBINS).

Description

Male ( Figs 14B , 15 )

MEASUREMENTS. See Table 5.

BODY. Uniformly brown with black markings.

HEAD. Longer than wide, notched dorsally between antennae. Notch followed by a definite median longitudinal impression. Eyes circular and strongly projecting hemispherically. Antennae slightly setose,

projecting over apex of abdomen. Scapus and pedicellus damaged. Pedicellus shorter than scapus. Antennomeres narrower than pedicellus and varying in length towards apex.

THORAX. Pronotum granulose, about as long as head. Posteriorly of anterior edge, a transverse groove and a longitudinal groove not reaching posterior edge. Just before centre, a second transverse incurved impression and a minute, circular impression anteriorly of transverse impression. Posteromedially with a small tubercle. Mesonotum elongated and wrinkled, with a small tubercle posteromedially, at two thirds of the length with two oval, black markings. Metanotum granulose, about same length as median segment. Medially with a spinose tubercle subapically.

ABDOMEN. Median segment granulose, with a spinose tubercle posteromedially. Terga II–VIII with a spinose tubercle posteromedially, decreasing in size towards posterior. Tergum IX slightly laterally compressed, with a hump posteromedially.Tergum X with posterior edge slightly incurved, posterolateral angles rounded. Ventral part of posterolateral portion of tergum X strongly swollen and conical; cone covered with small black spines. Cerci small, round in cross section; apices rounded, projecting over apex of abdomen. Abdominal sterna smooth. Vomer well developed, visible as a triangular black, flattened spine with paler apex. Poculum slightly flattened, narrowing towards posterior; apex slightly rounded, reaching apex of tergum IX.

LEGS. Fore legs missing. Other legs long when compared to body. Femora and tibiae compressed laterally, with all carinae developed, slightly widening towards posterior. Tarsomeres gradually decreasing in length. Claws small.

Female ( Fig. 16 )

MEASUREMENTS. See Table 5.

BODY. Uniformly brown with black markings.

HEAD. Longer than wide, notched dorsally between antennae. Behind notch, two small, black circular dots. Between eyes, a raised area. Dorsally with a fine longitudinal median line. Eyes circular and strongly projecting hemispherically. Antennae broken, scapus flattened dorsoventrally. Pedicellus shorter than scapus and round in cross section. Antennomeres narrower than pedicellus, varying in length towards apex.

THORAX. Pronotum granulose, shorter than head, with anterior edge slightly concave. Behind edge, a transverse groove and a longitudinal groove not reaching posterior granule. Pronotum slightly constricted just before centre.Centrally with a second transverse impression and a small,circular impression anteriorly of transverse impression. Posteromedially with a small granule. Mesonotum elongated and granulose, with a tubercle posteromedially. Mesonotum slightly widening towards the posterior. Metanotum about same length as pronotum. Medially with a blunt, spinose tubercle subapically. Metanotum laterally rounded, with widest part centrally.

ABDOMEN. Median segment slightly shorter than metanotum, with a blunt spine posteromedially. Terga II–IX with a blunt spine posteromedially. Abdominal terga IV–VI widest. Terga VIII–IX laterally compressed and tectiform. Tergum X with a longitudinal ridge and posterior edge notched; posterolateral angles rounded. Cerci small, round in cross section; apices rounded, slightly projecting over apex of abdomen. Abdominal sterna smooth. Subgenital plate slightly compressed laterally, acute posteriorly, projecting over apex of abdomen.

LEGS. Middle legs missing. Other legs long compared to body; profemora compressed and curved basally. Femora and tibiae compressed laterally, with all carinae developed. Tarsomeres gradually decreasing in length. Claws small.

Distribution

The species is recorded from Luzon, Mountain Province (see map Fig. 13 ).

Figures

Fig. 13. Otraleus spp. and Capuyanus magwilangi sp. nov. Distribution map in Luzon.

Fig. 14. Male terminalia, ventral view. A. Otraleus elizabethae sp. nov. B. Capuyanus magwilangi gen. et sp. nov. Abbreviations: Cer = cercus; Par = paraproct; T 10 = abdominal tergum 10; Tho = thornpad; Vom = vomer.

Fig. 15. Capuyanus magwilangi gen. et sp. nov., ♂, holotype. A. Habitus, dorsal view. B. Habitus, lateral view. C. Habitus, ventral view. D. Anterior part of body, dorsal view. E. Apex of abdomen, dorsal view. F. Apex of abdomen, ventral view. G. Apex of abdomen, lateral view. H. Anterior part of body, lateral view. D–H: not to scale.

Fig. 16. Capuyanus magwilangi gen. et sp. nov., ♀, paratype. A. Habitus, dorsal view. B. Habitus, lateral view. C. Habitus, ventral view. D. Anterior part of body, dorsal view. E. Apex of abdomen, dorsal view. F. Apex of abdomen, ventral view. G. Apex of abdomen, lateral view. H. Anterior part of body, lateral view. D–H: not to scale.