body length 5.0mm

antennae: 3 segmented, simple; scape black, pedicel and flagellum orange

antennal flagellum longer than closest distance between eyes

flagellum slightly narrower than scape

ventral side of thorax and abdomen bright metallic blue

genae, labrum, mandibles orange (latter with black tips)

legs: all coxae and femora black, all tibiae and tarsi orange-blackish

genae orange, vertex black

proboscis shorter than head, galea relatively short

lateral side of thorax, mesonotum, scutellum and abdomen metallic blue; tegula blackish-orange

legs: all coxae and femora black, except hind femora black basal half, orange apical half dorsally; all tibiae and tarsi orange

antenna black scape, orange pedicel and flagellum (with apex blackened), thinner than scape

genae orange, black vertex

pronotum black medially, orange laterally

mesoscutum, scutellum bright metallic blue, unpunctured

stigma brown, venation dark brown

parts of proboscis shown:

- glossa (tongue), labial palps and prementum parts of labium; glossa shorter than prementum, much shorter than length of eye

- galea and maxillary palps parts of maxilla

antennal flagellum slightly narrower than scape at greatest width

parts of proboscis shown:

- glossa (tongue), labial palps and prementum parts of labium; glossa shorter than prementum, much shorter than eye length

- galea and maxillary palps parts of maxilla

genae, vertex orange; post-ocellar area black

frons black

genae, vertex orange; post-ocellar area black

pronotum orange with black dorsal patch

tegula brownish-orange

mesopleura, mesoscutum and scutellum black

genae, inner orbits, clypeus, labrum, mandibles orange (tips of latter black)

frons black

pronotum orange with black dorsal patch

genae, inner orbits, clypeus, labrum, mandibles orange (tips of latter black)

frons black

pronotum orange with black dorsal patch

tegula orange

mesopleura shiny metallic blue, unpunctured

genae, vertex orange; post-ocellar area black

distance between ocelli greater than distance between ocellus and back of head

mesoscutum shiny metallic blue, unpunctured

genae, inner orbits, clypeus, mandibles orange (latter with black tips)

forelegs - coxa, femur black; distal femur, tibia and tarsomeres orange; distal tarsomeres black

frons, post-ocellar area black; inner orbits, clypeus, labrum, vertex orange

ocelli mounted on elevated platform

abdomen shiny metallic blue laterally

venation brown

abdomen viewed laterally

shiny metallic blue, unpunctured

cerci, 10th abdominal segment orange

sawsheath (3rd valvula) black, laterally flattened, not bifid cf. fig. 9 from Benson (1938)

tip of projecting saw visible - orange

lateral view of apex of abdomen

sawsheath laterally flattened, black; not bifid at apex, cf. fig. 9 from Benson (1938)

projecting saw visible, orange

abdomen shiny metallic black; sawsheath black; lancet orange

apex of abdomen viewed dorso-laterally

cerci, 10th abdominal segment orange

sawsheath (3rd valvula) black, laterally flattened, not bifid cf. fig. 9 from Benson (1938)

tip of projecting saw visible - orange

abdomen viewed from rear after removal from female and treatment with KOH to separate sclerites

saw, sawsheath, 10th tergum with attached cerci, 9th and 8th terga visible

different from photograph of T. nitidus ovipositor in Fig. 24F, Malagon-Aldana et al (2021) - see Reference images below.

sawsheath, lance and lancet are shorter than in that photo of the T. nitidus ovipositor

sawsheath viewed laterally after dissection from body

lancet (saw) dissected from female; with ~16 teeth, cf. fig. 11 from Benson (1938) which shows teeth 8-12

very similar to 1st valvula (lancet) in Fig. 27A of Malagon-Aldana et al (2021) which shows ~16 teeth - see Reference figures below

lancet (saw) dissected from female; with 16 teeth (#15, 16 faint), cf. fig. 11 from Benson (1938) which shows teeth 8-12

very similar to 1st valvula (lancet) in Fig. 27A of Malagon-Aldana et al (2021) which shows ~16 teeth - see Reference figures below

serrulae (denticles) absent on teeth - listed by Malagon-Aldana as a character state of ovipositor of Trichorhachus sp.

portion of saw in T. nitidus (11), including teeth 8-12 of total 14 widely spaced teeth and T. australis (12), including teeth 8-16 of total of about 27 teeth, each bearing smaller denticulations - from Benson (1938), figs. 11, 12

saw (lancet) dissected from female, separated from lance

lance dissected from female, lancet separated

dorsal view of wings: hyaline, stigma and venation brown

left forewing: hyaline, stigma and venation brown

identical venation to Trichorhachus sp. wing in Fig. 17A, Malagon-Aldana (2021) - see Reference images below

left hind wing; hyaline, venation brown

identical venation to Trichorhachus sp. wing in Fig. 17A, Malagon-Aldana (2021) - see Reference images below

ventral view of body

mesopleura, mesosternum and venter shiny metallic blue, unpunctured

coxae and femora of all legs shiny metallic blue, distal tip of fore femur orange; tibiae and tarsi of all legs orange with distal tips of tarsal segments black

hind basitarsus long than following two tarsal segments; preapical spines on mid and hind tibiae

hind legs dissected from female (left tibia and tarsus missing); coxae and femora black; apical femur, tibia and tarsi orange; apex of tarsomeres blackish

forelegs (LHS) and mid legs (RHS) removed from female (tarsi missing from mid legs)

- all femora black with apical tip orange, all tibiae and tarsi orange