| In this paper,we focus on Parnassiida szechenyii Frivaldszk flower-visiting behavior and breeding ecology based on investigating and researching of their population ecology studies in the aera of the Qilian Mountains in Qinghai Province. We investigate dynamic of their flowering nectar plants and observe their flower-visiting behavior, measure the distance between the two flowers of their visited and the visit to the total time spent and to determine their movement patterns between flowers; follow-up observations Parnassiida's mating and oviposit conditions, record the total time with a stopwatch mating,total time of oviposition; at the same time marking their mating site and the oviposition site, measuring mating sites distance and oviposition sites, setting samples with sites as the center and survey correlation parameters.The results are as follows:1. In Qilian Mountains aera in Qinghai Province, Soroseris gillii bloom at mid-June, single-flowered florescence is about 6～7 days; Gentiana pseudosquarrosa bloom at mid-June, single-flowered florescence is about 6～7 days; Allium cyaneum bloom at mid-July, single-flowered florescence is about 6～7 days.2. Parnassiida szechenyii relatively slowly when they flower-visiting or generally hover flight. once found a Parnassiida visiting flower of eight successive monarchs visit, in the three kinds of nectar plants Parnassiida szechenyii stay as follows: Soroseris gillii was (18.79±1.71)s,Gentiana pseudosquarrosa was (13.35±1.64)s;Allium cyaneum was (11.84±1.67)s; in the three kinds of nectar plants pollination frequency as follows: Soroseris gillii was (5.7±0.7) flower / min , Gentiana pseudosquarrosa wsa(7.5±1.5) flower/min;Allium cyaneum was (4.4±0.8) flower/min。3. Throughout the breeding season for mating. In general activity of male stronger, most of the time were hovering flight to find the slope at the female unmated mating (mated female have copulatoryplug and not be able to mate). The pairs of 12 pairs of Parnassiida szechenyii mating process of observation, found that mate more in sunny windless between 12:00-15:00, the entire mating process takes about 3min. When mating, the male and paste female fly chase, fast, and change to the emergency; fall to the ground tail connected and crawl in the hassock , occasionally fly 3-5 times. Fall to the ground without wings. After mating, the male fly away first, female stayed about 1min, pace up and down in the mating site about 30s before exiting.4. Parnassiida szechenyii oviposition occur generally sunny windless 12:00-15:00, lay 5～10eggs per day, a oviposition site lay only one egg, 5×5m of the samples the average s3±2 eggs. The average time of oviposition: 32±10s. Egg color is milky white, the surface of egg thin flat circular concave point, egg size about 1mm.5. The oviposition site of Parnassius was obvious selectivity. By setting the sample, the actual oviposition site and reject oviposition site comparison of the oviposition site was found, oviposition site selection of the main factors is the ground of temperature, the distance to the host plant and the distance to the shrub. 6.After five aggregation index analysis of the spatial distribution of oviposition sites type, we determine oviposition sites of Parnassiida szechenyii spatial distribution is clumped. This may be the host plants and the thickets of the spatial distribution of the distribution of cluster.Because the distance to host plants and distance to shrub in Parnassiida szechenyii oviposition site selection of the main influencing factors(p=0.004<0.01和p=0.021<0.03)。... |
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