Wallabicoris newcastelii, Schuh & P. Pedraza, 2010

Schuh, R. T. & P. Pedraza, 2010, Wallabicoris, New Genus (Hemiptera: Miridae: Phylinae: Phylini) From Australia, With The Description Of 37 New Species And An Analysis Of Host Associations, Bulletin of the American Museum of Natural History 2010 (338), pp. 1-118 : 44-45

Wallabicoris newcastelii , new species Figure 17; map 1; plate 2

DIAGNOSIS: Recognized by the chalk-white coloration of the body and appendages (pl. 2), the moderate size, with a mean total length of 4.57, and the structure of the male genitalia, the apical portion of the endosoma elongate and nearly erect, the secondary strap of the endosoma complete and with a broad submedial undulation, and the left paramere greatly elongate, with a low shoulder on the posterior process, open over most of the dorsal surface (fig. 17), and greatly exceeding the margin of the pygophore in repose. Head only moderately projecting beyond anterior margin of eyes, mean ratio width head/length head 3.57. Breeds on Dicrastylis spp. and Newcastelii sp. ( Lamiaceae ). Size moderate among the similarly colored Lamiaceae-feeding species, larger than W. cassis , W. lachnostachyos , and W. paradicrastyli ; smaller than W. dicrastyli and W. prostantheri and the Thymelaeaceae-feeding W. pinocchii . Smaller than all the chalk-white Asteraceae-feeding species. Potentially confused with W. rutidosi , but that species slightly larger, mean total length 4.87, and with a broken secondary endosomal strap and the left paramere not elongate.

(AMNH_PBI 00135877).

DESCRIPTION: Male: Body weakly elongate, weakly ovoid, total length 4.08–5.25, ratio l/w 5 2.95. COLORATION (pl. 2): Pronotum unicolorous pale, nearly white;

hemelytron unicolorous pale, nearly white; membrane with elongate, contrasting, fumose marking at extreme base, remainder partially fumose, especially within cells, veins white; venter unicolorous pale or mostly so; antennal segment 1 unicolorous pale, with pale medial seta; antennal segment 2 unicolorous pale; labium pale with segment 4 heavily infuscate; hind femora with many brown or black spots; hind tibial spines dark with very small dark bases. SURFACE AND VESTITURE: Dorsum with reclining simple setae matching background coloration, and with some sericeous or woolly setae. STRUCTURE: Head: Moderately projecting, ratio wh/lh 5 3.44; antennal fossa with ventral margin of fossa at ventral margin of eye; interocular space small, ratio iod/wh 5 0.53; eyes leaving gena moderately exposed in lateral view (hg3/he20); labium reaching to margin of pygophore. GENITALIA (fig. 17): Endosoma: Base moderately long, with a tight U-shaped bend; distal half of shaft smoothly curving; primary endosomal strap weakly elongate apically, ratio lae/lsg 1.67; apex of primary endosomal strap weakly arcuate; secondary endosomal strap very slender, of uniform width from endosomal bend to gonopore, reaching to level of secondary gonopore, with a broad submedial undulation; secondary gonopore seen laterally in lateral view of endosoma. Phallotheca: More or less right angulate, dorsal surface with a hump; dorsal surface with a conspicuous keel. Left Paramere: Body very elongate, greatly exceeding margin of pygophore; in dorsal perspective open over nearly entire length; body tapered toward apex in lateral perspective; anterior process arising slightly forward of posterior margin of shaft; anterior process directed vertically; posterior process appearing tubular, fingerlike; posterior process with strongly projecting shoulder at base; base of posterior process at least somewhat elevated above level of paramere body. Right Paramere: Body moderately elongate, ratio lrp/wrp 3.44; body rounded laterally; posterior margin without distinct protuberance subapically; body more or less confluent with base; apex with a weakly elongate fingerlike process.

ETYMOLOGY: Named for its host genus, Newcastelia F. Muell. (Lamiaceae) .

HOSTS: Recorded from Newcastelia viscida E. Pritz. (pl. 9B), N. insignis E. Pritz. , Dicrastylis parvifolia F. Muell. (pl. 8C), and Dicrastylis fulva forma fulva Harv. (Lamiaceae) (pl. 8D).

DISTRIBUTION (map 1): Known from the Goldfields and adjacent west-coastal region of Western Australia.

DISCUSSION: The known distribution of W. newcastelii corresponds closely with the distributions of its recorded hosts in the Goldfields/Kalbarri region of Western Australia.

HOLOTYPE: AUSTRALIA: Western Australia: 28 km S of Menzies (3.5 km E of Hiway), 29.91917 ° S 121.1514 ° E, 500 m, 25 Oct 1996, Schuh and Cassis, Newcastelia viscida E. Pritz. (Chloanthaceae) , det. PERTH staff PERTH 05095077, 13 (AMNH_PBI 00133318) ( WAMP).

PARATYPES: AUSTRALIA: Western Australia: 21 km E of Kalgoorlie near transcon. railroad, 30.87541 ° S 121.69346 ° E, 500 m, 23 Oct 1996, Schuh and Cassis, Light Trap, 2♀ (00089216, 00089217) ( AM). 28 km S of Menzies, 29.92835 ° S 121.1231 ° E, 600 m, 24 Oct 1996, Schuh and Cassis, Newcastelia insignis E. Pritz. (Chloanthaceae) , det. PERTH staff, 13 (00090303), 1♀ (00090304) ( AM). 28 km S of Menzies (3.5 km E of Hiway), 29.91917 ° S 121.1514 ° E, 500 m, 25 Oct 1996, Schuh and Cassis, 103 (00133306– 00133311, 00133315–00133317, 00133319), 3♀ (00133324, 00134631–00134632) ( AMNH), 33 (00133312–00133314) ( WAMP). 60.5 km SE of Southern Cross, 31.65169 ° S 119.4957 ° E, 440 m, 04 Dec 1997, Schuh, Cassis, Brailovsky, Asquith, Dicrastylis parvifolia F. Muell. (Chloanthaceae) , det. PERTH staff PERTH 05055954, 33 (00087106, 00373027–00373028), 2♀ (00373029, 00373030) ( AM), 43 (00130767– 00130768–00130770), 3♀ (00130771–00130773) ( AMNH). Kalbarri National Park, Z-Bend Road, 27.64166 ° S 114.4569 ° E, 450 m, 28 Oct 1996, Schuh and Cassis, Dicrastylis fulva forma fulva Harv. (Chloanthaceae) , det. PERTH staff PERTH 05120500, 13 (00090075) ( AM), 33 (00135867, 00135874, 00135877), 2♀ (001- 35890, 00135899) ( AMNH), 23 (00135873, 00135876) ( UNSW), 53 (00135868–00135872) ( WAMP).

OTHER SPECIMENS EXAMINED: AUSTRA- LIA: Western Australia: 28 km S of Menzies, 29.92835 ° S 121.1231 ° E, 600 m, 24 Oct 1996, Schuh and Cassis, Newcastelia insignis E. Pritz. (Chloanthaceae) , det. PERTH staff, 43♀ (00090305–00090328, 00090338–00090356), 17 nymphs (00090357–00090373) (AM), 5 nymphs (00133147–00133151) (AMNH), 9♀ (00090329– 00090337) (WAMP). 28 km S of Menzies (3.5 km E of Hiway), 29.91917 ° S 121.1514 ° E, 500 m, 25 Oct 1996, Schuh and Cassis, Newcastelia viscida E. Pritz. (Chloanthaceae) , det. PERTH staff PERTH 05095077, 10♀ (00133320–00133- 323, 00133325–00133328, 00134629–00134630) (AMNH), 4♀ (00134633–00134636) (UNSW). 60.5 km SE of Southern Cross, 31.65169 ° S 119.4957 ° E, 440 m, 04 Dec 1997, Schuh, Cassis, Brailovsky, Asquith, Dicrastylis parvifolia F. Muell. (Chloanthaceae) , det. PERTH staff PERTH 05055954, 1♀ (00087107) (AM). Kalbarri National Park, Z-Bend Road, 27.64166 ° S 114.4569 ° E, 450 m, 28 Oct 1996, Schuh and Cassis, Dicrastylis fulva forma fulva Harv. (Chloanthaceae) , det. PERTH staff PERTH 05120500, 13 (00090079), 16♀ (00090078, 00090080–00090094), 1 nymph (00090103) (AM), 34♀ (00135878–00135- 889, 00135891–00135898, 00135900–00135913) (AMNH), 3♀ (00090095, 00135914–00135915) (UNSW), 7♀ (00090096–00090102) (WAMP).