Difference between revisions of "Rhabdoblatta densimaculata"
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Ordo: Blattodea
Familia: Blaberidae
Genus: Rhabdoblatta
Name
Rhabdoblatta densimaculata Yang & Wang & Zhou & Wang & Che, 2019 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnosis
This species is similar to Rh.incisa Bey-Bienko, 1969 in the spots of tegmina. But this species can easily be differentiated from Rh.incisa in the following characteristics: 1) body brown, but dark brown in the latter; 2) pronotum yellow, black small spots dispersed on the surface (pronotum dark brown, lateral borders with pale spots in the latter); and 3) sclerite L3 long, hook short and small, and without carina (hook deeply bent and with carina in the latter).
Measurements (mm)
Male, pronotum: length × width 6.1–6.5 × 7.3–7.8, tegmen length: 31.8–32.8, overall length: 37.9–39.3; female, pronotum: length × width 7.8 × 9.0–9.3, tegmen length: 31.2–32.3, overall length: 39.0–40.1.
Description
Male. Body dark brown (Figure 3A). Vertex, frons, and eyes black. The 1st–12th segments of antennae dark brown, the others brown. Ocelli and apex of clypeus yellow. Labrum, labial palpi, and maxillary palpi brown (Figure 3B). Pronotum dark brown, lateral borders with pale spots (Figure 3E). Tegmina dark brown, front borders pale brown, with dark brown spots. Wings with costal field and radial field dark brown, mediocubital field brown and anal field gray, with veins obvious and brown (Figure 3G, H). Legs dark brown. Abdominal sterna yellow, 4th–6th segments with dark brown spots. Cerci dark brown (Figure 3B). Vertex slightly exposed (Figure 3B). Distance between eyes slightly wider than interocular space, the length approximately 2/3 of the space of antennal sockets. The length of third maxillary palpus same as the fifth, both slightly longer than the fourth (Figure 3B). Pronotum subelliptical, the widest part in the middle, anterior and lateral margins rounded, middle of hind margin convex (Figure 3E). Tegmina and wings fully developed extending well beyond the end of the abdomen, the apex of the tegmina arc-shaped and veins distinct (Figure 3A, B, G, H). Anteroventral margin of front femur type B1 (Figure 3F). The inner margin of the metatarsus of hind leg with two rows small spines. Tarsal pulvilli present on the apex of 1st–4th tarsomeres. The pretarsus with arolium, claws symmetrical and unspecialized (Figure 3B).
Male genitalia. Supra-anal plate subtrapezoid, lateral margins arc-shaped. Right and left paraprocts unsymmetrical, shape similar to other members in the genus (Figure 3K). Subgenital plate with hind margin curved upturn. The base of the inner plate bifurcated. Styli flat, whose length ca. 1/3 of interstyli space (Figure 3L). Left phallomere with bristles, end of sclerite R2 rounded, R3 and R5 interlinked, base of R3 turned over and without bifurcation at apex, and R4 weakly sclerotized and existing independently (Figure 3M). L2D slender, basal part sharp and apex straight; apical sclerite nearly rectangle, the membrane with fine bristles, simple cap-shaped (Figure 3N). Sclerite L3 long, hook short and small, outer-lateral margin arc-shaped, smooth and without carina; inner margin with a tooth-shaped convexity at apex (Figure 3O).
Female. Female similar to male but slightly bigger. Ocelli, apex of clypeus and labrum yellow. Color of the body and spots similar to male (Figure 3C, D, I, J).
Female genitalia. Weakly sclerotized. Ovipositor back to brood sac. Tergal process of the eighth and ninth abdominal tergite obviously vestigial, membranous. First valves of ovipositor with apex membranous, inner margin with fine bristles. Second valves of ovipositor fine, tube-shaped, completely covered by the first valves of ovipositor. Third valves of ovipositor slightly wider and flat, length shorter than the first valves of ovipositor. Gonangulum and sclerotized lobes of the second and third pairs of valves absent. Anterior arch of second valvifer obviously vestigial. Basivalvula weakly sclerotized and with semicircular arms, the mid sclerite separate. Vestibular sclerite wide and weakly sclerotized. Transverse sclerotized plate disappeared. Brood sac membranous and without sclerotized section (Figure 3P).
Etymology
This species name is derived from the Latin words densus and maculatus, referring to the tegmina having dense spots.
Type material
Holotype: male, Sichuan Prov., Ya’an City, Yingjing County, Longcanggou National Forest Park, 19-VI-2016, Jian-yue Qiu leg. Paratype: 6 males and 2 females, same data as holotype; 2 males, Sichuan Prov., Chengdu City, Congzhou, Jiguan Mountain, Shaoyaogou, 28-V-2016, Fu-ming Shi leg.; 1 male, Sichuan Prov., Chengdu City, Congzhou, Jiguanshan Township, Anzihe Nature Reserve, 1500m, VI-2015, by light trap, Chao Zhou leg.; 1 male, Sichuan Prov., Chengdu City, Congzhou, Jiguanshan Township, Anzihe Nature Reserve, 1450 m, 2-VI-2016, by light trap, Chao Zhou leg.; 1 female, Yunnan Prov., Dali City, Yunlong County, Mt. Zhiben, 2250 m, 1-VI-1981, Su-bai Liao leg.; 1 female, Yunnan Prov., Xinping County, Ailao Mountain, Yaonan Village, 11-V-2016, Lu Qiu & Zhi-wei Qiu leg.; 1 male, Yunnan Prov., Tengchong City, Diantan Town, 3–15-VII-2016, light trap, Gui-qiang Huang leg.; 4 females, Yunnan Prov., Gongshan County, Dulongjiang Township, 1400 m, 22–28-VII-2015, Chao Wu leg.; 2 females, Xizang Auto. Regi., Medog County, 80k (Bolonggong), 20–24-VII-2012, Chao Wu leg.; 1 female, Xizang Auto. Regi., Medog County, Beibeng Township, Gelin Village, 12-VII-2016, Hao Xu et Jian-yue Qiu leg. (all in SWU).
Distribution
China (Sichuan, Yunnan, Xizang).
Original Description
- Yang, R; Wang, Z; Zhou, Y; Wang, Z; Che, Y; 2019: Establishment of six new Rhabdoblatta species (Blattodea, Blaberidae, Epilamprinae) from China ZooKeys, 851: 27-69. doi
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