Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 234

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 163-164

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1901, in volume 23, issue 2, pages 94

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1901, in volume 22, issue 3, pages 189-192

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1913, in volume 35, issue 3/4, pages 176

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1913, in volume 35, issue 3/4, pages 200

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1896, in volume 18, issue 2/3, pages 130

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1894, in volume 16, issue 1/2, pages 110

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1893, in volume 15, issue 2, pages 128

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1892, in volume 14, issue 1/2, pages 38

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 60

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1890, in volume 12, issue 1/2, pages 28

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1890, in volume 12, issue 1/2, pages 174

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1890, in volume 12, issue 3, pages 180

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1889, in volume 11, issue 4, pages 229-232

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1885, in volume 7, issue 1, pages 16

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1885, in volume 7, issue 2, pages 128

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1884, in volume 6, issue 2, pages 134

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1909, in volume 30, issue 4, pages 248

Created: 2016-09-01, modified: 2016-09-01

Authors: C Ritsema

Published in Tijdschrift Voor Entomologie, in 1870, in volume 13, pages 111-121

Created: 2010-12-07, modified: 2011-06-21

Authors: Ritsema C.

Published in Notes from the Leyden Museum, in 1884, in volume 6, pages 1-6

Created: 2011-06-03, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 191-192

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1913, in volume 35, issue 2, pages 156-158

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1913, in volume 35, issue 3/4, pages 177-180

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1892, in volume 14, issue 3/4, pages 191-192

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1891, in volume 13, issue 3, pages 147-150

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1891, in volume 13, issue 3, pages 151-153

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1891, in volume 13, issue 3, pages 154

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1890, in volume 12, issue 1/2, pages 12

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1885, in volume 7, issue 1, pages 54

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema

Published in Tijdschrift voor Entomologie, in 1868, in volume 11, pages 173-176

Created: 2010-01-11, modified: 2021-04-05

Authors: C Ritsema

Published in Tijdschrift voor Entomologie, in 1878, in volume 21, pages 81-114

Created: 2010-01-11, modified: 2021-04-05

Authors: Ritsema C.

Published in Notes from the Leyden Museum, in 1896, in volume 18, pages 53-54

Created: 2011-06-03, modified: 2015-08-05

Authors: C Ritsema

Published in Entomologische Zeitung Stettin, in 1876, in volume 37, pages 42-43

Created: 2016-11-22, modified: 2016-11-22

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 175-176

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1899, in volume 20, issue 4, pages 199-200

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 115-116

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 185-188

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 223-224

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1913, in volume 35, issue 3/4, pages 207-208

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1893, in volume 15, issue 2, pages 111-112

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1892, in volume 14, issue 1/2, pages 31-32

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1889, in volume 11, issue 2, pages 144

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1888, in volume 10, issue 3, pages 198

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1884, in volume 6, issue 3, pages 200

Created: 2015-08-05, modified: 2015-08-05

Authors: C Ritsema

Published in Bulletin du Musée D'histoire Naturelle, in 1906, in volume 12, issue 4, pages 196-198

Created: 2021-12-13, modified: 2021-12-13

Authors: C Ritsema

Published in Tijdschrift voor Entomologie, in 1873, in volume 16, pages 16-25

Created: 2010-01-11, modified: 2021-04-05

Authors: Ritsema C.

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 131-132

Created: 2011-06-03, modified: 2015-08-05

Authors: C Ritsema

Published in Notes Leyden Museum, in 1884, in volume 6, pages 81-83

Created: 2012-03-28, modified: 2015-08-05

Authors: C Ritsema Cz.

Published in Notes From The Leyden Museum, in 1899, in volume 20, issue 4, pages 249-254

Created: 2015-08-05, modified: 2015-08-05