 ISSN 0235-7224 ISSN 2029-0586 (online) |
2008 m. Nr. 4 Karyotypes of seven European aphid species of the genus Cryptomyzus (Hemiptera, Sternorrhyncha: Aphididae)
Karyotypes of seven Cryptomyzus species collected in Lithuania (C. alboapicalis, C. galeopsidis, C. ribis, C. korschelti, C. ulmeri, C. maudamanti and C. leonuri) were analysed, two of them (C. leonuri and C. ulmeri) were karyotyped for the first time. Chromosome numbers in metaphase plates were detected, and the diploid chromosome number 2n = 12 proved to be dominant. Actual lengths were measured and relative lengths calculated to construct idiograms. The karyotype of Cryptomyzus aphids contained one pair of long, three pairs of medium-sized and two pairs of short chromosomes. To illustrate differences of relative chromosome lengths in haploid set between species, cluster analysis was performed using the matrix of Mahalanobis squared distances. Keywords: Cryptomyzus, karyotypes, idiograms, Lithuania |
Issues:
2011 - Vol.57 No. 1, No. 2 2010 - Vol.56 No. 1-2, No. 3-4 2009 - Vol.55 No. 1, No. 2, No. 3-4 2008 - Vol.54 No. 1, No. 2, No. 3, No. 4 2007 - Vol.53 No. 1, No. 2, No. 2.priedas, No. 3, No. 4 2006 No. 1, No. 2, No. 3, No. 4 2005 No. 1, No. 2, No. 3, No. 4 2004 No. 1, No. 2, No. 3, No. 4 2003 No. 1, No. 2, No. 3, No. 4 2002 No. 1, No. 2, No. 3, No. 4 2001 No. 1, No. 2, No. 3, No. 4 |