Valid Names Results

Nikkoaspis brevispina Tian, Zheng & Xing, 2021 (Diaspididae: Nikkoaspis)

Nomenclatural History

• Nikkoaspis brevispina Tian, Zheng & Xing 2021: 364. Type data: CHINA: Guizhou Prov., Jiangkou County, Fanjing Mountain, on Sinarundiaria sp., 11/14/2020, by Feng Tian. Holotype, female, by original designation Type depository: Guiyang: Department of Plant Protection, Guizhou Agricultural College, China; accepted valid name Notes: Paratypes: 9 ♀♀ (GUGC), same data as holotype Illustr.

Common Names

Ecological Associates

Hosts:

Families: 1 | Genera: 1

Geographic Distribution

Keys

• TianZhXi2021: pp.369 ( Adult (F) ) [species of Nikkoaspis]

Remarks

• Systematics: Nikkoaspis brevispina. is distinguished from all other Nikkoaspis species by possessing numerous dorsal macroducts, very short gland spines, strongly segmented L1 and L2, and a large number of plates on the margins of the pygidium and between the pygidial lobes. This species is similar to N. sikokiana Takagi in body shape but can be distinguished by the following characteristics (character states of N. sikokiana in brackets): (i) adult female with L1 and L2 split into lobules (L1 and L2 not split); (ii) gland spines shorter than plates (gland spines longer than plates); and (iii) about 70–90 plates and 550–600 dorsal macroducts on each side (about 40 plates and 250 dorsal macroducts on each side). (Tian, et al., 2021)
• Structure: Appearance in life. Adult female scale cover white, 2.3–2.5 mm long, about 2.0 mm wide, subtriangular, expanded towards posterior end; exuviae brown, situated at anterior end; margins of scale thin but dorsum thickened, with curved grooves. The ventral scale encloses the cephalothorax. Exposed body of adult female yellow, narrowest anteriorly, gradually widening posteriorly before widening sharply at abdominal segment I; rear end rounded so that body is bottle-shaped.. Scale cover of immature male scale white, elongate, 1.5–1.7 mm long, about 0.4 mm wide, with parallel sides and 3 longitudinal ridges, median ridge most prominent. Exuviae pale yellow, situated at anterior end of scale. (Tian, et al., 2021)

  Slide-mounted adult female (based on ten specimens): Body 1550–1580 (1563) μm long, 930–960 (938) μm wide, narrowest anteriorly, cephalothorax gradually broadening posteriorly before widening sharply at abdominal segment I; rear end rounded so that body is bottle-shaped. (Tian, et al., 2021)

• Biology: Females found at the base of the upper leaf surfaces along the midrib, separate from each other; immature males found on the middle of the lower leaf surfaces, also along the midrib, separate from each other. Heavily infested leaves were observed to wilt and develop black necrotic spots beneath the scale insects. (Tian, et al., 2021)
• General Remarks: Detailed description, photographs and illustration in Tian, et al., 2021.

Illustrations

Citations