Illeis bistigmosa (Mulsant)

POORANI, J., 2023, An illustrated guide to lady beetles (Coleoptera: Coccinellidae) of the Indian Subcontinent. Part 1. Tribe Coccinellini, Zootaxa 5332 (1), pp. 1-307 : 159-161

publication ID

https://doi.org/ 10.11646/zootaxa.5332.1.1

publication LSID

lsid:zoobank.org:pub:424F7439-4095-46A5-93E3-C4130E3B6D9A

DOI

https://doi.org/10.5281/zenodo.8261606

persistent identifier

https://treatment.plazi.org/id/03C74162-14C6-4697-BDDF-33A2FC3FF816

treatment provided by

Plazi

scientific name

Illeis bistigmosa (Mulsant)
status

 

Illeis bistigmosa (Mulsant)

( Fig. 113 View FIGURE 113 )

Psyllobora bistigmosa Mulsant, 1850: 168 (Type locality: Penang, Malaysia).

Thea bistigmosa: Crotch 1874: 135 .

Illeis bistigmosa: Bielawski 1961a: 366 ; Iablokoff-Khnzorian 1982: 288; Poorani & Lalitha 2018: 112.

Diagnosis. Length: 2.50–3.50 mm; width: 2.10–3.20 mm. Form ( Fig. 113a, b View FIGURE 113 ) elongate oval, broadest around middle; dorsum moderately convex and glabrous. Head and pronotum yellow, pronotum with a pair of large black spots on posterior margin on either side of scutellum, lateral margins transparent. Elytra yellow to yellowish brown, lateral margins transparent. Abdominal postcoxal line incomplete ( Fig. 113c View FIGURE 113 ). Male genitalia ( Fig. 113d–f View FIGURE 113 ) as illustrated.

Distribution. India: Northeastern region (Assam, Meghalaya); China.

Notes. It is closely related to I. bielawskii and appears to be slightly smaller in size. Kapur (1972) mentioned about examples of I. bistigmosa from southern India being smaller in size and lacking pronotal spots. Another pale creamy yellow species belonging to the bistigmosa complex, that is much smaller in size, also occurs in some parts of peninsular India and has very similar male genitalia. See Bielawski (1959, 1961), Yu (2010), Ren et al. (2009), and Poorani & Lalitha (2018) for more details / illustrations of I. bistigmosa .

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Coccinellidae

SubFamily

Coccinellinae

Tribe

Coccinellini

Genus

Illeis

Loc

Illeis bistigmosa (Mulsant)

POORANI, J. 2023
2023
Loc

Illeis bistigmosa

Iablokoff-Khnzorian, S. M. 1982: 288
1982
Loc

Psyllobora bistigmosa

Mulsant, E. 1850: 168
1850
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