Lucilla singleyana (Pilsbry, 1890) and L. scintilla (R. T. Lowe, 1852) (Gastropoda, Pulmonata, Endodontidae) in the Caucasus and in Russia
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Submission date: 2017-04-04
Final revision date: 2017-06-15
Acceptance date: 2017-07-03
Publication date: 2017-08-10
Corresponding author
Evgeniy V. Schikov   

Kalinina 37-21, Lyubertsy, Moscow Region, 140002 Moscow, Russia
Folia Malacol. 2017;25(3):165-174
Populations of Lucilla singleyana (Pilsbry) and L. scintilla (R. T. Lowe) were found in the Caucasus where they co-occurred in a bamboo grove. This is the first record of L. singleyana from the Caucasus and from Asia. In Ulyanovsk (European Russia), L. singleyana and L. scintilla were found together in houseplant pots. These are the easternmost populations of the species in Eurasia. The shells of L. singleyana and L. scintilla are very variable. The main difference between the species is the aperture form: in L. singleyana it is oval, and in L. scintilla it is rounded. In Ulyanovsk the shells of L. singleyana are smaller than in the Caucasus. The shells of L. scintilla in Ulyanovsk and in the Caucasus are equal in size. The biology of both species is similar. They live in the lower layers of litter and in the soil, to the depth of 50 cm, and in wet weather crawl up into the litter. They feed on decaying leaves, sprouting seeds and delicate grass. They lay eggs singly in the soil only in places with thin plant roots. The eggs are suspended on mucus threads, attached to the root hairs or to the ends of roots. L. singleyana and L. scintilla are potential greenhouse pests.
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