A DESCRIPTION OF NEOPHYLLOBIUS AESCULI N.SP. AND ITS DEVELOPMENTAL STAGES (ACARI: CAMEROBIIDAE)BOLLAND HR.1983; ENTOMOL. BERICHTEN; NLD; DA. 1983; VOL. 43; NO 3; PP. 42-47; BIBL. 9 REF.Article

SPERMATOGENESIS, CHROMOSOMES AND SEX DETERMINATION OF FOUR RHIPICEPHALUS SPECIES (ACARI: IXODIDAE) FROM EAST AFRICA.WYSOKI M; BOLLAND HR.1978; GENETICA; PAYS-BAS; DA. 1978; VOL. 48; NO 3; PP. 233-238; BIBL. 19 REF.Article

TIMING OF SPERMATOGENESIS, CHROMOSOMES AND SEX DETERMINATION OF AMBLYOMMA VARIEGATUM AND A. LEPIDUM (ACARI: IXODIDAE)WYSOKI M; BOLLAND HR.1979; GENETICA; NLD; DA. 1979; VOL. 50; NO 1; PP. 73-77; BIBL. 19 REF.Article

A SURVEY OF CHROMOSOME COMPLEMENTS IN THE TENUIPALPIDAEBOLLAND HR; HELLE W.1981; INT. J. ACAROL.; ISSN 0164-7954; USA; DA. 1981; VOL. 7; NO 1-4; PP. 157-160; BIBL. 9 REF.Article

ETUDE D'UNE SOUCHE DE TETRANYCHUS PIERCEI (ACARIENS : TETRANYCHIDAE), D'INDONESIE : REDESCRIPTION, CARYOTYPE ET REPRODUCTIONGUTIERREZ J; HELLE W; BOLLAND HR et al.1979; ENTOMOL. BER.; ISSN 0013-8827; NLD; DA. 1979; VOL. 39; NO 6; PP. 88-94; BIBL. 14 REF.; 3 ILL.Article

CHROMOSOMES AND TYPES OF PARTHENOGENESIS IN THE FALSE SPIDER MITES (ACARI: TENUIPALPIDAE)HELLE W; BOLLAND HR; HEITMANS WRB et al.1980; GENETICA; ISSN 0016-6707; NLD; DA. 1980; VOL. 54; NO 1; PP. 45-50; BIBL. 11 REF.Article

MARKER MUTATION IN THE TSETSE FLY GLOSSINA MORSITANSBOLLAND HR; VAN BUREN A; VAN DER GEEST LPS et al.1974; ENTOMOL. EXPER. APPL.; PAYS-BAS; DA. 1974; VOL. 17; NO 4; PP. 522-524; BIBL. 1REF.Article

HAPLOID FEMALE PARTHENOGENESIS IN THE FALSE SPIDER MITE BREVIPALPUS OBOVATUS (ACARI: TENUIPALPIDAE)PIJNACKER LP; FERWERDA MA; BOLLAND HR et al.1980; GENETICA; NLD; DA. 1980; VOL. 51; NO 3; PP. 211-214; BIBL. 10 REF.Article

GENETIC EVIDENCE FOR BIPARENTAL MALES IN HAPLO-DIPLOID PREDATOR MITES (ACARINA: PHYTOSEIIDAE)HELLE W; BOLLAND HR; VAN ARENDONK R et al.1978; GENETICA; NLD; DA. 1978; VOL. 49; NO 2-3; PP. 165-171; BIBL. 12 REF.Article