Authors: P J Van Helsdingen

Published in Entomologische Berichten, in 1981, in volume 41, issue 3, pages 33-39

Created: 2026-09-30, modified: 2026-09-30

Authors: P Van Helsdingen

Published in Entomologische Berichten, in 2008, in volume 68, issue 6, pages 223-226

Created: 2026-09-29, modified: 2026-09-29

Authors: J Noordijk | P Van Helsdingen

Published in Entomologische Berichten, in 2007, in volume 67, issue 6, pages 249-252

Created: 2026-09-30, modified: 2026-09-30

Authors: Peter J Van Helsdingen

Published in Arachnologische Mitteilungen, in 2011, in volume 40, pages 55-64

Created: 2016-04-17, modified: 2016-04-17

Authors: P J Van Helsdingen

Published in Psyche: A Journal of Entomology, in 1973, in volume 80, issue 1-2, pages 48-61

Created: 2016-06-19, modified: 2016-06-19

Authors: Peter J Van Helsdingen

Published in Arachnologische Mitteilungen, in 2012, in volume 43, pages 58-62

Created: 2016-04-17, modified: 2016-04-17

Authors: Peter J Van Helsdingen

Published in Arachnologische Mitteilungen, in 2008, in volume 36, pages 35-36

Created: 2016-04-17, modified: 2016-04-17

Authors: P J V Helsdingen | E J V Nieukerken

Published in Tijdschrift Voor Entomologie, in 1989, in volume 132, pages 161-162

Created: 2010-03-23, modified: 2011-06-21

Authors: P J V Helsdingen | K Thaler | C Deltshev

Published in Tijdschrift Voor Entomologie, in 1977, in volume 120, pages 1-54

Created: 2010-03-23, modified: 2011-06-21

Authors: R Van Beuningen Van Helsdingen

Published in Journal of The Straits Branch of The Royal Asiatic Society, in 1913, in volume 65, pages 19-28

Created: 2016-07-04, modified: 2023-02-16

Authors: P J V Helsdingen | A E Decae

Published in Tijdschrift Voor Entomologie, in 1992, in volume 135, pages 169-178

Created: 2010-03-23, modified: 2011-06-21

Authors: Peter J Van Helsdingen | Konrad Thaler | Christo Deltshev

Published in Memorie della Società Entomologica Italiana, in 2001, in volume 80, pages 3-35

Created: 2025-05-13, modified: 2025-05-13

Authors: Peter Van Helsdingen

Published in Arachnologische Mitteilungen, in 2007, in volume 33, pages 36-37

Created: 2016-04-17, modified: 2016-04-17

Authors: P J D Winter | E J Van Jaarsveld

Published in Bothalia, in 2005, in volume 35, issue 2, pages 169-173

Created: 2026-04-03, modified: 2026-04-03

Authors: P J Van Melle

Published in Torreya, in 1941, in volume 41, issue 6, pages 191-192

Created: 2022-12-12, modified: 2022-12-12

Authors: P J Van Melle

Published in PHYTOLOGIA, in 1950, in volume 3, issue 6, pages 299-300

Created: 2016-05-06, modified: 2016-05-06

Authors: P J Van Melle

Published in Phytologia, in 1953, in volume 4, issue 3, pages 172

Created: 2016-05-06, modified: 2016-05-06

Authors: P J H Hurter | E Van Wyk

Published in Bothalia, in 2001, in volume 31, issue 1, pages 43-44

Created: 2026-04-03, modified: 2026-04-03

Authors: J P C Boot

Published in Entomologische Berichten, in 1980, in volume 40, issue 10, pages 159-160

Created: 2026-09-30, modified: 2026-09-30

Authors: J J A Van Der Walt | P J Vorster

Published in Bothalia, in 1983, in volume 14, issue 3/4, pages 517-523

Created: 2026-04-05, modified: 2026-04-05

Authors: P C J Van Rijn | J T Smit

Published in Entomologische Berichten, in 2007, in volume 67, issue 6, pages 253-256

Created: 2026-09-30, modified: 2026-09-30

Authors: J Van Schelt | P Van Rijn

Published in Entomologische Berichten, in 2007, in volume 67, issue 6, pages 268-270

Created: 2026-09-30, modified: 2026-09-30

Authors: P J H Hurter | A E Van Wyk

Published in Bothalia, in 2004, in volume 34, issue 1, pages 42-44

Created: 2026-04-03, modified: 2026-04-03

Authors: P Van Rijn | J Noordijk | J Bruin

Published in Entomologische Berichten, in 2007, in volume 67, issue 6, pages 183

Created: 2026-09-30, modified: 2026-09-30

Authors: P J Van Den Bergh

Published in Tijdschrift voor Entomologie, in 1917, in volume 60, issue 1/2, pages 268-269

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

Authors: P J Van Den Bergh

Published in Tijdschrift voor Entomologie, in 1920, in volume 63, pages 109-110

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

Authors: P J Robbertse

Published in Journal of South African Botany, in 1974, in volume 40, issue 4, pages 269-273

Created: 2024-07-18, modified: 2024-07-18

Authors: J Noordijk | J Bruin | P Van Rijn

Published in Entomologische Berichten, in 2007, in volume 67, issue 6, pages 278-283

Created: 2026-09-30, modified: 2026-09-30

Authors: J P A Kalis

Published in Tijdschrift Voor Entomologie, in 1933, in volume 76, pages 47-86

Created: 2010-03-23, modified: 2011-06-21

Authors: F Van Alebeek | P Van Rijn | E Den Belder | J Willemse | H Van Gurp

Published in Entomologische Berichten, in 2007, in volume 67, issue 6, pages 235-236

Created: 2026-09-30, modified: 2026-09-30

Authors: J J P Van Wyk | G J Du Plessis

Published in Journal of South African Botany, in 1971, in volume 37, issue 3, pages 143-146

Created: 2024-07-21, modified: 2024-07-21

Authors: A Koeleman | P J Robbertse | A Eicker

Published in Journal of South African Botany, in 1981, in volume 47, issue 2, pages 247-271

Created: 2024-09-24, modified: 2024-09-24

Authors: P Boer | M P Berg | J Noordijk | A J Van Loon

Published in Entomologische Berichten, in 2014, in volume 74, issue 1-2, pages 53-59

Created: 2026-09-29, modified: 2026-09-29

Authors: J B P Beyers | J J A Van Der Walt

Published in Bothalia, in 1994, in volume 24, issue 2, pages 195-202

Created: 2026-04-05, modified: 2026-04-05

Authors: B Volschenk | J J A Van Der Walt | P J Vorster

Published in Bothalia, in 1982, in volume 14, issue 1, pages 45-51

Created: 2026-04-05, modified: 2026-04-05

Authors: P J Van Den Bergh

Published in Tijdschrift Voor Entomologie, in 1928, in volume 71, pages 141-144

Created: 2010-03-23, modified: 2014-11-28

Authors: P Bleeker

Published in Verhandelingen der Koninklijke Akademie van Wetenschappen, in 1855, in volume 2, pages 1-30

Created: 2017-02-08, modified: 2017-02-08

Authors: J J A Van Der Walt | P J Vorster

Published in Journal of South African Botany, in 1980, in volume 46, issue 3, pages 283-292

Created: 2024-09-05, modified: 2024-09-05

Authors: J B P Beyers | J J A Van Der Walt

Published in Bothalia, in 1995, in volume 25, issue 1, pages 65-85

Created: 2026-04-05, modified: 2026-04-05

Authors: P Boer | W Dekoninck | A J Van Loon | F Vankerkhoven

Published in Entomologische Berichten, in 2003, in volume 63, issue 3, pages 54-58

Created: 2026-09-29, modified: 2026-09-29

Authors: J P V Lith

Published in Tijdschrift Voor Entomologie, in 1955, in volume 98, pages 29-42

Created: 2010-03-23, modified: 2011-06-21

Authors: J P Van Lith

Published in Entomologische Berichten (Amsterdam), in 1977, in volume 37, issue 3, pages 45-48

Created: 2019-03-11, modified: 2019-03-11

Authors: P W J Van Wyk | M J Wingfield

Published in Bothalia, in 1990, in volume 20, issue 2, pages 141-145

Created: 2025-10-05, modified: 2025-10-05

Authors: L A Coetzer | P J Robbertse | N Grobbelaar

Published in Journal of South African Botany, in 1981, in volume 47, issue 4, pages 769-781

Created: 2024-09-24, modified: 2024-09-24

Authors: J P Van Lith

Published in Entomologische Berichten (Amsterdam), in 1975, in volume 35, issue 1, pages 170-173

Created: 2019-03-11, modified: 2019-03-11

Authors: P C J Van Rijn | F L Wäckers

Published in Entomologische Berichten, in 2007, in volume 67, issue 6, pages 226-230

Created: 2026-09-30, modified: 2026-09-30

Authors: J P C Boot

Published in Entomologische Berichten, in 1981, in volume 41, issue 11, pages 169

Created: 2026-09-30, modified: 2026-09-30

Authors: A P J A Teunissen | R P Jansen

Published in Entomologische Berichten, in 2009, in volume 69, issue 1, pages 13-15

Created: 2026-09-29, modified: 2026-09-29

Authors: J J A Van Der Walt | P J Vorster

Published in Journal of South African Botany, in 1980, in volume 46, issue 3, pages 279-281

Created: 2024-09-05, modified: 2024-09-05

Authors: P P G Van Den Boom | J Etayo

Published in Mycotaxon, in 1995, in volume 56, pages 125-132

Created: 2025-04-21, modified: 2025-04-21