On three species of the Coleopterous genus Helota
Notes from the Leyden Museum , Volume 36 - Issue 3/4 p. 165- 169
No doubt the female Helota from Lakhon (Siam) in the Paris Museum, determined by me in 1897 ¹) as Helota Vandepolli Rits., is a female specimen of the recently described Helota lugubris from Laos (see page 57 of this volume). The quoted ♀, which is now before me and which measures 12 mm. in length, agrees with the ♂ of lugubris except in the following points, which certainly are sexual differences.
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Ritsema Cz., C. (1914). On three species of the Coleopterous genus Helota. Notes from the Leyden Museum, 36(3/4), 165–169.