syconium

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syconium

[sī′kō·nē·əm]
(botany)
A fleshy fruit, as a fig, with an enlarged pulpy receptacle internally lined with minute flowers.
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However syconia with unusual numbers of foundresses (5-17), had practically pure male broods and the number of males produced per foundress ranged from 6.47 through 18.01 (Table 9), while those of the females ranged from 0.00 to 2.18, but the sample size did not allow statistical testing.
tonduzi tree number two: Syconia (n= 23) colonized by one foundress had a mean of 125.44[+ or -]26.15, females+males 117.70[+ or -]24.17 females, 78.60[+ or -]15.02 seeds and a total of 204.04[+ or -]31.21 wasps plus seeds.
Wiebes 1996), a wasp that inhabits syconia of a gynodioecious fig species, of series Copiosae (cf.
in fig wasps that colonize one-foundress brood syconia, as the two species studied, the most female biased sex ratio is achieved when only one foundress colonizes a syconium (West & Herre 1998), and when her larvae are not subject to kleptoparasitism or other kinds of parasitism, (cf.
Sex ratio in multifoundress syconia: in fig species with multi-foundress syconia, e.g., Ficus carica L.
Furthermore, the agaonid species studied, seem to have a fixed strategy for sex allocation because: 1- they do not eat as adults, 2- foundress number as well as resource size are quite constant per fig species, and 3the syconia on a fig tree usually are temporarily and spatially predictable.
Our results show that the sex ratio produced by a foundress becomes more female-biased as they oviposit more eggs, in agreement with Herre (1987), and that superparasitized syconia have a greater proportion of sons in their broods, as found by Molbo & Parker (1996) for N.
Fig species with one-foundress brood syconia allow full oviposition by one foundress, as found out in the present work.
Studies on mutualistic symbiosis between syconia and sycophilous wasps in monoecious figs.