Hilchie 1982 QEv18n1_4 91_126 CC released.pdf - College of ...

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Philanthus albopilosus Cresson 115 Figure 6. Typical and maculated specimens of female Philanthus albopilosus (northern race). Figures 6a, 6b, and 6d, head, thorax and abdomen of a dark specimen from Empress, Alberta. Figure 6c, head of maculate specimen of the dark race at Medicine Hat, Alberta. Males of P. albopilosus also exhibit some trends in colouration (Figure 5) but these are not as distinctive. Individuals from northern populations (Areas 7 to 12) tended to be darker (Figure 8). Males from southern and western areas (Areas 1 to 6) tended to be pale. There is not a discrete break in index values but a trend to shift to darker forms in the northeast and lighter forms in the southwest. Index values for each area were averaged, female index values were plotted against male index values (Figure 9). The points form loose clusters: northern groups separate together, in contrast to southwestern populations and geographically intermediate populations. The points illustrate a break in variation, with the largest break occurring between the geographically intermediate group and the northern group. The phenotypically intermediate groups are the extreme southwestern populations which may grade into the geographically intermediate group.
116 Hilchie Figure 7. Typical specimens of females of the light race Philanthus albopilosus manuelito . Figures 7a, 7b, and 7d head, thorax and abdomen of specimen from Monahans, Texas. Figure 7c, head of specimen from Roggen, Colorado. Quaest.Ent., 1982, 18(1-4)
Page 1 and 2: This work is licensed under the Cre
Page 3 and 4: 92 Hilchie Prey Selection 103 Discu
Page 5 and 6: 94 Hilchie The study dune was the c
Page 7 and 8: 96 Hilchie Behavioural Study During
Page 9 and 10: 98 Hilchie 3. Vertex of Head: Colou
Page 11 and 12: 100 Hilchie MAY JUNE JULY J AREA 1
Page 13 and 14: 102 Hilchie Evans (1975) reported t
Page 15 and 16: 104 Hilchie Table 5. Number of prey
Page 17 and 18: 106 Hilchie Table 6. Prey records f
Page 19 and 20: Table 7 (continued) Taxa Abundance
Page 21 and 22: Table 8. Occurrence of accessory bu
Page 23 and 24: 112 Hilchie County: McKinney Lake,
Page 25: to R hi a Compound Character Index
Page 29 and 30: 118 Hilchie Geographically Intermed
Page 31 and 32: 120 Hilchie Philanthus albopilosus
Page 33 and 34: 122 Hilchie as a refugium for sand
Page 35 and 36: 124 Hilchie Bryson, R.A. and W.M. W
Page 37: 126 Hilchie * 2 Tinbergen, N. 1935.

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