Charybdis Research Articles

Article Commentary: Practice between Scylla and Charybdis

Article Commentary: Practice between Scylla and Charybdis

Between Scylla and Charybdis

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Southern ladybird (Cleobora mellyi) is now well established in New Zealand

The southern ladybird Cleobora mellyi (Coleoptera Coccinellidae) is a biological control agent of Eucalyptus and Acacia pests such as Chrysophtharta bimaculata (Coleoptera Chrysomelidae) in Tasmania Cleobora mellyi was introduced to New Zealand from Australia in the 1970s and 1980s in the hope that it would help control the Eucalyptus tortoise beetle Paropsis charybdis (Coleoptera Chrysomelidae) However establishment was successful at only one site in the Marlborough Sounds Since that time additional psyllid species have established on eucalypts and acacia providing a needed alternative food source for C mellyi Further releases were made in 2005 and 2007 and 17 of the 21 release sites were reassessed in the summer of 2009/10 Established populations were found at eight of the sites checked across the upper North Island and in Southland Cleobora mellyi is therefore now established in Northland Auckland Coromandel Waikato Bay of Plenty and Southland as well as the Marlborough Sounds site Paropsis charybdis appears to be an alternative as opposed to primary food source for C mellyi so this predator is unlikely to exert control over P charybdis as originally hoped It remains to be determined whether C mellyi will be beneficial in controlling psyllids or the chrysomelid pest Dicranosterna semipunctata on A melanoxylon

Detection and identification of a selfintroduced parasitoid of the &lt;i&gt;Acacia&lt;/i&gt; tortoise beetle

Dicranosterna semipunctata (Coleoptera Chrysomelidae) was detected in New Zealand in 1996 This Australian tortoise beetle has no specific natural enemies in New Zealand and has become a moderate pest of blackwood (Acacia melanoxylon) Although a number of potential biological control agents have been identified in Australia none has been intentionally introduced In January 2009 parasitised eggs of D semipunctata were found in Rotorua Comparison of the emergent parasitoids to hymenoptera held in the NZIC and ANIC confirm that the wasp is from the genus Neopolycystus The taxonomy of this genus is poorly resolved but there were three species of particular interest to which to compare the new specimens The first Neopolycystus sp nr insectifurax was introduced from Perth against Paropsis charybdis in 1989 but did not establish The second Neopolycystus sp was reared from D semipunctata eggs in NSW but was never imported into New Zealand as a biocontrol agent for D semipunctata The third N insectifurax Girault is selfintroduced since 2001 and is well established in New Zealand contributing significantly to the control of P charybdis The parasitoids reared from D semipunctata eggs in Rotorua were not analogous to any of these This new species Neopolycystus sp from Rotorua has since been recorded in the Northland Auckland Waikato and Bay of Plenty regions

Stories of Scylla and Charybdis in Homer and Vergil (Italian)

A comparison between Odyssey's book 12 and Aeneis' book 3 shows some similarities in the handling of the myth: Scylla and Charybdis are hidden creatures, which the reader of both the poems can glimpse only behind the veil of the description of the seers Elenus and Circe. In the Vergilian version, however, there are traces of the rationalizations of the myth operated by Sallust and Lucrece.

The Scylla and Charybdis of Biosemiotics

The Scylla and Charybdis of Biosemiotics

Between the Scylla of ‘Little Homeland’ and the Charybdis of Globalisation

Between the Scylla of ‘Little Homeland’ and the Charybdis of Globalisation

Between Scylla and Charybdis

Between Scylla and Charybdis

The OSCE Office in Minsk: Three years between Scylla and Charybdis

The OSCE Office in Minsk: Three years between Scylla and Charybdis

Attempted new association biological control of &lt;i&gt;Dicranosterna semipunctata&lt;/i&gt; Chapuis (Coleoptera Chrysomelidae Paropsini)

The new association theory of biological control predicts that novel enemies may be more effective in controlling pest species than their natural enemies This theory was tested using the egg parasitoid Enoggera nassaui Girault (Hymenoptera Pteromalidae) on the Acacia tortoise beetle Dicranosterna semipunctata (Chapuis) (Coleoptera Chrysomelidae) in New Zealand In no choice laboratory bioassays parasitism on the new host was significantly lower than on a natural host Paropsis charybdis Stål (Coleoptera Chrysomelidae) (57 cf 89 eggs/h P002) The fecundity and oviposition rate of D semipunctata were approximately half that of P charybdis A field release of 1500 E nassaui directed against D semipunctata did not result in sustained field parasitism It is suspected that E nassaui will not normally encounter D semipunctata because it searches Eucalyptus not Acacia species The ability of biological control agents to locate the target species in the field needs to be considered when evaluating new association biological control

The cirrhotic hepatocyte: navigating between Scylla and Charybdis

The cirrhotic hepatocyte: navigating between Scylla and Charybdis

Could we find a suitable method for assessment of average dietary intake? In doubt between Scylla and Charybdis (A review)

For the sake of comparison of dietary surveys carried out in different countries, it is needed to find a common basic method for the dietary assessment. The suitable method should be relatively simple, easily practicable, inexpensive, suitable for the analysis of desired nutritional parameters in several target groups and comparable independently of the country where it is done. The paper gives a short review and appraisal of the most frequently used dietary assessment methods: 24-h dietary recall, dietary record, food frequency questionnaire and diet history. The background of useful evaluation seems as follows: the skill of interviewers, the common coding system of foodstuffs, the reliable conversion of food to nutrients (comprehensive food composition tables). On the basis of above mentioned criteria the repeated 24-h recall seems to be the first candidate for the common dietary assessment method. Dans un but de surveillance et d'evaluationnutritionnelle, il est necessaire d'avoir une methode basique commune pour evaluer la consommation alimentaire. L'article presente les methodes les plus utilisees; Le rappel de la consommation en 24 heures (24h-dietary recall) n'est pas ideale mais presente un certain nombre d'avantages: simplicite, cout faible, utilisable pour les groupes.

BETWEEN SCYLLA AND CHARYBDIS: Metaphor for a “Platonic” Dialogue

Odysseus, returning from Troy to Greece under the protection of Athene, sailed the Argo between the cave of Scylla, devourer of wayward mariners, and the whirlpool of Charybdis. Scylla, the daughter of Phorcys and Hecate, and loved by Poseidon, was turned into a monster by her rival Amphitrite using magic herbs. Odysseus was chastened by his experience, able to duck and weave from other imperilment as the journey continued.

Sailing between the Charybdis of theoretical abstractions and the Scylla of unreflected experiences

Sailing between the Charybdis of theoretical abstractions and the Scylla of unreflected experiences

Steering a course between the Charybdis of credulity and the Scylla of scepticism

Steering a course between the Charybdis of credulity and the Scylla of scepticism

Between Scylla and Charybdis

Between Scylla and Charybdis

Between Scylla and Charybdis

Between Scylla and Charybdis

The Charybdis of Publishing in Academia

The Charybdis of Publishing in Academia

Habermas and Rorty: Between Scylla and Charybdis

[The democratic ideal] “bases its faith upon the heart in preference to the intellect, though knowing well the power of the latter when controlled. It knows that the intellect, alone, runs amuck, and performs unspeakable cruelties; that the heart alone is divine. For it is the heart that welcomes Life and would cherish it, would shield it against the cannibalism of the intellect.” Louis Sullivan Autobiography of an Idea, p. 324.

Between Scylla and Charybdis: Teaching and Research On the Academic Deep

Between Scylla and Charybdis: Teaching and Research On the Academic Deep