Jurakempynus bellatulus, Wang & Liu & Ren & Shih, 2011

Wang, Yongjie, Liu, Zhiqi, Ren, Dong & Shih, Chungkun, 2011, New Middle Jurassic Kempynin Osmylid Lacewings from China, Acta Palaeontologica Polonica 56 (4), pp. 865-869 : 867-868

publication ID

https://doi.org/ 10.4202/app.2010.0050

persistent identifier

https://treatment.plazi.org/id/08321119-6A08-797D-841E-FAFBC2ECFEA3

treatment provided by

Felipe

scientific name

Jurakempynus bellatulus
status

sp. nov.

Jurakempynus bellatulus View in CoL sp. nov.

Fig. 3 View Fig .

Etymology: The specific name bellatulus refers to the delicate hindwing of new species.

Holotype: CNU−NEU−NN2010207 ( Fig.3A View Fig ). A hindwing with the apex lost.

Type locality: Daohugou Village, Shantou Township, Ningcheng County, Inner Mongolia, China.

Type horizon: Jiulongshan Formation, Aalenian–Bajocian boundary, Middle Jurassic.

Diagnosis.—Hindwing with large brown spots; the cells of MP region arranged regularly; CuP with 7–8 pectinate branches.

Description.—Only hindwing preserved, about 28.7 mm long, 11.2 mm wide ( Fig. 3A View Fig ). Membrane hyaline, with fuscous markings on the margin, forming triangular hyaline region on posterior margin; trichosors present on posterior margin and part of anterior margin, two nygmata distinct; costal region relatively narrow, cross−veins simple; Sc and R1 fused distally, cross−vein sc−r1 undetected; cross−veins r1−rs numerous; Rs

http://dx.doi.org/10.4202/app.2010.0050

with 23 branches, distal branches distinctly sinuous; cross−veins in radial area numerous, arranged irregularly; MA originating from the base of Rs−stem as most osmylids, base connected with a sinuous vein ( Tjeder 1957); MP forks close to wing base, with a thin additional vein before the fork which is detected in extant Kempynus ( Kimmins 1940) ; MP region dilated, forming two rows of cells; MP 1 simple, MP 2 bifurcated distally; Cu forked at base; CuA long, with pectinate branches from middle to terminal end; CuP short, bifurcated in middle, the longer branches forming pectinate branches, ending close to the middle of CuA; A1 short, with 3 branches; A2 with two branches; A3 single branch ( Fig. 3B View Fig ).

Remarks.— Jurakempynus bellatulus sp. nov. is separated from Jurakempyuns sinensis sp. nov. based on the following characters: spots of J. bellatulus sp. nov. present on whole apex in hindwing, while spots in J. sinensis sp. nov. only restricted to the margin; MP 2 with many distal dichotomic branches in J. bellatulus sp. nov., while MP 2 of J. sinensis sp. nov. forming many pectinate branches; CuP with 7 pectinate branches in J. bellatulus sp. nov., while CuP in J. sinensis sp. nov. has 4–5 pectinate branches.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Neuroptera

Family

Osmylidae

Genus

Jurakempynus

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