Comprehensive Description

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Description. Body length: 1.28–1.51 mm (n=20). Head color, female: brown to dark brown. Head color, male: brown to dark brown. Mesosoma color, female: brown to dark brown. Mesosoma color, male: brown to dark brown. Metasoma color, female: brown to dark brown. Metasoma color, male: brown to dark brown. Body shape: small, compact.
Head: Head shape, dorsal view: transverse. Hyperoccipital carina: absent. Occipital carina, extent: complete medially. Occipital carina, sculpture: simple. Position of lateral ocellus: remote from inner orbit, OOL > 2 ocellar diameters. Length of LOL: less than POL, less than OOL. Eye setae: glabrous. Frontal scrobe: frons convex, frontal scrobe not developed. Course of inner orbits: nearly parallel, diverging only at ventral extreme. Central keel: absent. Submedian carina: absent. Orbital carina: absent. Fan of striae arising from anterior mandibular articulation: absent. Clypeus structure: divided transversely to form anteclypeus, postclypeus. Clypeus shape: unknown. Anteclypeus shape: large, semicircular, concave. Postclypeus shape: short, strongly transverse. Apical margin of clypeus: straight. Lateral corners of clypeus: not produced, confluent with oral margin. Malar sulcus: present, fine, deeply incised, J-shaped. Genal carina: absent. Mandibular tooth orientation: transverse. Mandibular dentition: identate. Number of maxillary palpomeres: 2. Shape of penultimate maxillary palpomere: cylindrical. Number of labial palpomeres: 1. Number of antennomeres, female: 10. Number of antennomeres, male: 11. Insertion of radicle: parallel to long axis of A1. Dorsal surface A2, female: rounded. Length of A3, female: distinctly greater than length of A2. Claval formula: A7-A10/2-2-2-1. Number of clavomeres, shape criterion: Number of clavomeres, MGS criterion: 4. Number of MGS on basal clavomere: 2. Orientation of MGS: longitudinal. 5. Tyloid-bearing antennomeres, male: A5 only.
Mesosoma: Transverse pronotal carina: absent. Mesosoma length: subequal to height, mesosoma normally proportioned. Mesosoma height: greater than width. Dorsal margin of mesosoma, lateral view: convex. Vertical epomial carina: absent. Horizontal epomial carina: absent. Anterior face of pronotum: vertical, largely hidden in dorsal view. Lateral face of pronotum: nearly flat. Netrion: absent. Anterior margin of mesoscutum: anteriorly deflexed, meeting pronotum anteriorly. Skaphion: absent. Shape of mesoscutum in dorsal view: trapezoidal, anterior side curved. Parapsidal lines: absent. Notaulus: present, percurrent. Path of notauli: converging, closely approximated posteriorly. Shape of notaulus: dilated posteriorly. Mesoscutellum shape: slightly wider than long, semicircular. Mesoscutellar armature: absent. Metascutellum shape: not posteriorly produced, present as low convex bulge. Setation of dorsal propodeum: covered by dense, fine pilosity. Lateral propodeal projection: absent, posterior margin of propodeum rounded. Mesal concavity of dorsal propodeum: broadly extending anteriorly to metanotal margin. Median keel of propodeum: absent. Lateral keels of dorsal propodeum: absent. Development of mesopleuron: large, prominent. Mesopleural depression: large, well-developed. Mesopleural carina: present, forming curved arch from near mid coxa to mesopleural pit. Mesopleural pit: present. Anterior margin of ventral mesopleuron: straight, not projecting anteriorly. Mesepimeral foveae: absent. Episternal foveae: present, indicated by arched carina connecting acetabular carina and mesopleural carina. Posterodorsal corner of mesopleuron: rounded. Metapleural triangle: clearly developed, delimited posteriorly by carina. Setation of metapleural triangle: densely, evenly setose. Metapleural pit: not visible, if present, obscured by setation. Posterior margin of metapleuron: produced posteriorly into distinct lamella. Metapleural-propodeal articulation: fused, without suture separating sclerites. Leg shape: gracile, elongate. Posterior surface of hind coxa: transversely rugulose. Trochantellus: present. Tibial setation: with only short setae. Hind tibal longitudinal carina: absent. Tibial spur formula: 1-2-2. Tarsal formula: 5-5-5. Tarsomere shape on hind leg: cylindrical. Pretarsal claws: simple.
Wings: Length of fore wing: extending beyond apex of metasoma. Wing color: hyaline. Shape of fore wing R: weakly arched. Bulla in fore wing R: absent. Fore wing R1: extending to costal margin. Pseudostigma: absent. r-rs shape: reflexed apically. r-rs origin: from R at costal margin, marginal vein therefore present. Development of R1 beyond r-rs: present, therefore postmarginal vein present, short. Fore wing Rs: indicated by darkly pigmented nebulous vein. Fore wing Rs+M (basal vein): indicated by darkly pigmented nebulous vein. Fore wing M: indicated by darkly pigmented nebulous vein. Fore wing Cu: indicated by darkly pigmented nebulous vein. Hind wing R: tracheate throughout length, extending to hamuli on costal margin.
Metasoma: Metasoma shape: short, broad. Relative sizes of metasomal segments: T2 distinctly longest segment. Number of visible terga in female: 7. Number of visible sterna in female: 6. Number of visible terga in male: 7. Number of visible sterna in male: 7. Laterotergites: present, narrow. Laterosternites: present. Base of T1: margined by transverse carina. Crenulate base of terga: T2 only. T1 horn: absent. Microsetae on T6: absent. S1 shape: evenly arched, without distinct median keel. Anterior margin of S1: transverse, not projecting anteriorly. Distribution of felt fields: S2. Cercus: present.


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Source: ZooKeys

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