Callitricola cordylina, Symonds & Cassis, 2018

Symonds, Celia L. & Cassis, Gerasimos, 2018, Systematics And Analysis Of The Radiation Of Orthotylini Plant Bugs Associated With Callitroid Conifers In Australia: Description Of Five New Genera And 32 New Species (Heteroptera: Miridae: Orthotylinae), Bulletin of the American Museum of Natural History 2018 (422), pp. 1-229 : 108-113

Callitricola cordylina , new species

Figures 13 , 30–32 ; map 2

DIAGNOSIS: Defined by the following characters: moderately large size; forewing membrane veins yellow-orange; labium extending over abdomen; pygophore, dorsal margin straight, retracted on left side, with right submedial tergal lobe, lacking tergal processes; left paramere apex truncate with strongly recurved hook; right para- mere base elongate, apex twisted, uncurved inward, subapical inner ventral ridge small, without serrations; phallotheca with twisted point at apex, subbasal lobe on right dorsal margin small, subquadrate, with left and right lateral tumescence; aedeagus with PES left ventrolateral and not wrapped sheathlike around secondary gonopore, curving outward away from DES1 and DES2; PES, trifurcate in distal third, with left branch elongate and strongly curved downward; DES2 bifurcate in distal half, branches unequal in length, left branch elongate with an expanded subtriangular apex; DES1 bifurcate in distal half, branches unequal in length, dorsal branch very short, margins serrate, with small lobe below bifurcation point; female laIRL slightly wider at apex and curved inward distally, base with large spiniferous lobe; mIRL elongate, almost as long as laIRL, subtriangular, margins and distal surface (sparsely) serrate.

DESCRIPTION: Male: Moderately large size, elongate, body length 4.49–4.65 mm, pronotal width 1.09–1.20 mm. COLORATION: Bleached by ethanol preservation; forewing membrane light brown, veins with slight orange-yellow tint confined to vein only. VESTITURE: Dorsum with moderately dense distribution of pale simple setae. STRUCTURE: Head: Antennae with A1 1.5× vertex width, AII 1.5× pronotal width; labium elongate, extending beyond metacoxae over abdomen. Hemelytra: Cuneus and major cell of wing membrane elongate, major membrane vein straight. GENITALIA: Pygophore: Dorsal margin of genital opening straight, retract on left side, with broad tergal lobe, narrowing apically, positioned just right of midline (figs. 30H, 32A); ventral margin very weakly convex medially (fig. 31A); phalloguide broadly subrectangular, margin ventrad to right paramere articulation with very slight sclerotized lobe with minute spinulae (figs. 31B, 32A). Left paramere: Apophysis subrectangular, apex truncate with strongly recurved hook (fig. 32B). Right paramere: Base elongate; apex twisted, not curved inward; subapical inner ventral margin constricted slightly to ridge, slightly more sclerotized than rest of paramere; subapical dorsal margin round; apical and subapical margins smooth; mesiolateral surface weakly excavate (figs. 32C, 31B). Phallotheca: Dorsal opening large, narrows distally; apex with twisted point (fig. 32E); large subapical ventral tumescence (figs. 32D, 31B); left lateral tumescence; large right lateral tumescence; small right lateral basal tumescence; small subquadrate basal lobe on right dorsal margin, subbasal (fig. 32D, E). Aedeagus: Spicule arrangement: with PES left ventrolateral to secondary gonopore, not wrapped sheathlike around secondary gonopore, DES2 dorsad to PES and secondary gonopore, DES1 dorsad to DES2 (fig. 32); base of PES more distal to bases of DES2 and DES1 which are adjacent (figs. 31D, E, 32F); PES bifurcate distally, appearing trifurcate with extra branch on right branch, branches unequal in length, constricted with narrow shaft before dividing point, left branch elongate and strongly curved downward, right branch reduced, all branches distally serrate (figs. 31D–F, 32F); DES2 bifurcate in distal half, branches unequal in length, left branch elongate with an expanded subtriangular apex, right branch short with an expanded diamondshaped apex, distal margins of branches serrate (figs. 31E, F, 32F); DES1 distal margins serrate, bifurcate in distal half, branches unequal in length, dorsal branch very short, ventral branch elongate, slightly constricted below leaf-shaped apex (figs. 31F, 32F); DES1 with small lobe below bifurcation point, basal keel (DESk) elongate (fig. 32F).

Female: Moderately large, elongate, body length 4.43–4.85 mm, pronotal width 1.09–1.24 mm. GENITALIA: Interramal lobes (fig. 48): mIRL partially joined to laIRL at base; laIRL slightly wider at apex and curved inward distally, base with large spiniferous lobe; mIRL elongate, almost as long as laIRL, subtriangular, margins and distal surface sparsely serrate.

ETYMOLOGY: This species name is from the Greek kordylinos meaning “clublike,” after the characteristic shape of the right paramere.

HOST PLANTS: Known from Callitris glaucophylla , which is a dominant species in semiarid woodland remnants throughout western and central New South Wales (table 2).

HOLOTYPE: AUSTRALIA: New South Wales: Near Pullabooka State Forest , 33.79083 ° S 147.73777 ° E, 06 Nov 1998, AM Terr. Ecol. Dept., Callitris glaucophylla , 1♂ ( AMNH _ PBI 00016275 ) ( AM).

PARATYPES: AUSTRALIA: New South Wales: Euglo South State Forest, 33.49111 ° S 147.24777 ° E, 06 Nov 1998, AM Terr. Ecol. Dept., Callitris glaucophylla , 1♀ ( AMNH _PBI 00016274) ( AM). Gunningbland State Forest, 33.10972 ° S 147.92944 ° E, 19 Oct 1997, AM Terr. Ecol. Dept., Callitris glaucophylla , 1♂ ( AMNH _ PBI 00016273) ( AM). Gunningbland State Forest, 33.10111 ° S 147.945 ° E, 09 Oct 1998, AM Terr. Ecol. Dept., Callitris glaucophylla , 1♂ ( AMNH _ PBI 00016285) ( AM). Pullabooka State Forest, 33.77138 ° S 147.79972 ° E, 03 Nov 1998, AM Terr. Ecol. Dept., Callitris glaucophylla , 1♀ ( AMNH _ PBI 00016284) ( AM). Pullabooka State Forest, 33.76111 ° S 147.815 ° E, 06 Nov 1998, AM Terr. Ecol. Dept., Callitris glaucophylla , 1♀ ( AMNH _ PBI 00016282) ( AM), 1♂ ( AMNH _PBI 00016283) ( UNSW). Near Pullabooka State Forest, 33.79083 ° S 147.73777 ° E, 06 Nov 1998, AM Terr. Ecol. Dept., Callitris glaucophylla , 5♀ ( AMNH _

PBI 00016277–00016281) (AM), 1♀ (AMNH_ PBI 00016276) (UNSW).

OTHER SPECIMENS EXAMINED: AUSTRA- LIA: New South Wales: Murda State Forest, 33.015 ° S 147.201 ° E, 24 Sep 1997, AM Terr. Ecol. Dept., Callitris glaucophylla , 1♂ (UNSW_ENT 00041911) (AM).

DISTRIBUTION: Known from seven localities in state forests in central western New South

Wales (map 2) and collected with six other species, including B. hochuli and C. pullabooka at two localities each (table 2).

REMARKS: Callitricola cordylina is most closely related to C. graciliphila but can be differentiated from it by the following characters: smaller size (fig. 13); lack of left tergal process on the dorsal margin of pygophore (cf. figs. 32A and 36A); the right paramere lacking any serrations on the subapical inner ventral and dorsal margins (fig. 32C); the phallotheca with a small subquadrate lobe on the right dorsal margin, subbasally (as opposed to the larger round lobe in C. graciliphila ) (cf. figs. 32E and 36E, H); PES with an elongate left downturned branch (short in C. graciliphila ) (cf. figs. 32F and 36J); DES2 branches unequal in length, with the left branch having an expanded splayed apex; DES1 with a short apically serrate and acuminate dorsal branch and lobe proximal to the bifurcation point (cf. figs. 32F and 36J); the female laIRL with only one basal process and base not broadly serrate (cf. two basal processes), apex curved inward and weakly expanded (rather than uniform width and straight), and mIRL subtriangular (rather than subrectangular) (cf. fig. 48). See also remarks for C. graciliphila and C. wollemi .

Figures

FIG. 13. Callitricola species, dorsal habitus photographs of males. Scale bar = 1 mm.

FIG. 30. External morphology of Callitricola cordylina, male. A. Head, dorsal, scale bar = 30 µm. B. Head, lateral, scale bar = 30 µm. C. Head and pronotum dorsal, scale bar = 100 µm. D. Head and pronotum, lateral, scale bar = 100 µm. E. Meso- and metathorax, scale bar = 30 µm. F. Metathoracic scent gland, scale bar = 10 µm. G. Tarsal claw, scale bar = 10 µm. H. Pygophore, dorsal, scale bar = 30 µm.

FIG. 31. Male genitalic morphology of Callitricola cordylina. A. Pygophore, ventral. Arrow indicates short spinelike setae. B. Pygophore, right lateral. C. Aedeagus left lateral. D. Aedeagus, ventral. E. Aedeagus, right lateral. Scale bars = 30 µm.

FIG. 32. Male genitalia of Callitricola cordylina. A. Pygophore, dorsal. B. Left paramere, dorsal. C. Right paramere, ventral. D. Phallotheca, right lateral. E. Phallotheca, dorsal. F. Aedeagus, dorsal. Scale bars = 0.1 mm.