Howeanum tasmaniensis, Schmidt & New, 2008

Schmidt, Evan R. & New, Timothy R., 2008, The Psocoptera (Insecta) of Tasmania, Australia, Memoirs of Museum Victoria 65, pp. 71-152 : 124-126

Howeanum tasmaniensis sp. nov.

Figures 175–79

Material examined. Holotype: Tasmania , Mt Maurice walking track, Eucalyptus foliage, 10 Nov 1986.

Description of male. Coloration (after ca 7 years in alcohol, slightly teneral). Creamy-buff, with barely discernible darker markings dorsal to eyes, along each side of median epicranial suture and on postclypeus, striae converging towards pale midline. Ocelli with dark brown centripetal margins. Eyes black. Fore wing (fig. 175) and hind wing (fig. 176) hyaline.

Morphology. IO:D = 3.0. Eyes small, below level of vertex when looking at side of head. Head and thorax glossy. Median epicranial suture not distinct. Postclypeus not bulbous. Flagellar segments bearing dense long thin setae, sensory placoids distributed as follows: 2 small, somewhat apart near base of f 1, 1 at apex of f 4, 1 near apices f 6 and f 10; those of f 6 and f 10 bearing a long slender filament. Surface of flagellar segments very undulating, more prominent on apical segments. Terminal segment with elongated narrow apex. Fore wing (fig. 175): setae in single rank on veins; posterior margin of pterostigma bearing 2 ranks; vein cu 2 glabrous; veins rs and m joined by a short cross-vein. Hind wing (fig. 176) margin bearing long setae around apex to vein m, remainder of posterior margin bearing alternating setae of short and intermediate length. Claw lacking subapical tooth, pulvillus broad. Rasp and mirror of Pearman´s organ well developed. Epiproct and paraproct (fig. 177), latter with round field of 18 trichobothria. Hypandrium (fig. 178) with a large median and on each side smaller apical lateral lobes. Phallosome (fig. 179) with pair of endophallic sclerites basally broad.

Dimensions. B 2.2, FW 3.66, HW 2.95, F 0.54, T 1.11, t 1 0.379, t

2

0.071, t

3

0.079, rt 5.3:1:1.1, ct 16,0,0, f

1

0.632, f

2

0.355.

Female. Unknown.

Remarks. Howeanum tasmaniensis is similar to H. costale in the fore wing veins bearing a single rank of setae. It differs from H. costale in the shape of the endophallic sclerites – being basally narrow in H. costale and basally broad in H. tasmaniensis .

Etymology. From Tasmania.

Figures

Figures 175-179.Howeanum tasmaniensis. Male: 175, fore wing; 176, hind wing; 177, epiproct and paraproct; 178, hypandrium; 179, phallosome. Figures 175, 176 and 177-179 to common scales.