A new genus and nine new species of Neotropical spittlebugs (Hemiptera, Cercopidae, Tomaspidinae)

The following new taxa of South American Cercopidae are described: Ferorhinella gen. nov., with type species Sphenorhina brevis Walker, 1851; Deois (Deois) knighti sp. nov. (Brazil), Deois (Deois) sexpunctata sp. nov. (Brazil), Deois (Pandysia) constricta sp. nov. (Brazil), Mahanarva (Ipiranga) bahiaensis sp. nov. (Brazil), Maxantonia bifurcata sp. nov. (Brazil), Neosphenorhina curvipenis sp. nov. (Brazil), Sphenorhina brevispina sp. nov. (Ecuador), Sphenorhina nigricephala sp. nov. (Ecuador), Sphenorhina minuta sp. nov. (Brazil), Tropidorhinella onorei sp. nov. (Colombia), Zuata luteofascia sp. nov. (Colombia). Ferorhinella brevis (Walker, 1851) comb. nov. In addition, descriptions are given for a new colour form of Mahanarva (M.) phantastica (Breddin, 1904) and a newly found variation in the male genitalia of Deoisella fasciata Costa & Sakakibara, 2002.

A new spermophagous species of Heilipus Germar from the Amazonian Region (Coleoptera, Curculionidae, Molytinae)

Heilipus odoratus sp. nov. (type locality: Brazil, Amazonas, Manaus) is described based on adults reared from seeds of Aniba rosaeodora Ducke (Lauraceae), popularly called "pau-rosa". The species is spermophagous and develops from egg to adult inside the seeds. The new taxon is compared with the similar Heilipus draco (Fabricius, 1801). Illustrations of larva, pupa, adult and of important structures for species identification are given, including the male and female genitalia, figured for the first time for a species of Heilipus.

Revision of the genus Blauta LeConte (Coleoptera, Elateridae, Elaterinae, Ampedini, Dicrepidiina)

The genus Blauta Leconte, 1853 is formed by two species, B. cribraria (Germar, 1844) and B. falli Brown, 1936, recorded from Southeast of United States. The generic characterization and the redescriptions and morphological illustrations, including mouthparts and genitalia, of both species are presented. A comparison of both species is also included.

Revision of the Leucosphyrus group of Anopheles (Cellia) (Diptera, Culicidae)

Revision of the Leucosphyrus Group of Anopheles (Cellia) (Diptera, Culicidae). This is a comprehensive revision of 20 species of the Leucosphyrus Group of the Neomyzomyia Series of Anopheles (Cellia). Morphological description of the adults, male and female, male genitalia, pupa and fourth-instar larva are provided for each taxon in addition to bionomics, distribution data and systematic discussion for each species, including diagnostic characters. Identification keys for females and fourth-instar larvae are provided. When possible medical importance of each species is included. Illustrations of of the adults, fourth-instar larvae and pupae are provided. Distribution maps for each species are mainly based on the material examined; however, when possible published data were also used. Tables on adult character variations, fourth-instar larval and pupal setal branching are included as appendices. A neotype for An. takasagoensis Morishita and An. sulawesi Koesoemawinangoen, and a lectotype for An. balabacensis Baisas, are designated. The authorship of An. sulawesi previously cited as Waktoedi is corrected to Koesoemawinangoen.

Notes on the holotype of Anopheles marajoara Galvão & Damasceno (Diptera, Culicidae)

During studies on the dynamics of malaria transmission in Marajó Island, State of Pará, Brazil, Galvão & Damasceno (1942) collected a single specimen of a new species that they named Anopheles (Nyssorhynchus) marajoara Galvão & Damasceno, 1942. Now, examining genitalia slide associated to the holotype, we observed that the ventral claspette of the male genitalia is distinct from those of all other species of the Argyritarsis Section and consequently from members of the complex Anopheles albitarsis Lynch Arribalzaga, 1878. The male genitalia of the slide belong to a specimen of Anopheles aquasalis Curry, 1932, nevertheless, it was originally labeled as Anopheles marajoara. To solve this problem, we are setting aside the male genitalia slide associated with the holotype of Anopheles marajoara and excluding it from the type material. Illustrations of the male genitalia and adult male are included.

Targeting fertility and female participation through the income tax

We evaluate the effect of a 2003 reform in the Spanish income tax on fertility and the employment of mothers with small children. The reform introduced a tax credit for working mothers with children under the age of three, while also increasing child deductions for all households with children. Theoretically, given the interplay of these two components, the expected effect of the reform is ambiguous on both outcomes. We find that the combined reforms significantly increased both fertility (by almost five percent) and the employment rate of mothers with children under three (by two percent). These effects were more pronounced among less-educated women. In addition, to disentangle the impact of the two reform components, we use an earlier reform that increased child deductions in 1999. We find that the child deductions affect mothers employment negatively, which implies that the 2003 tax credit would have increased employment even more (up to five percent) in the absence of the change in child deductions.

Revision of the New World bee fly genus Heterostylum Macquart (Diptera, Bombyliidae, Bombyliinae)

The genus Heterostylum Macquart and five Neotropical species (H. ferrugineum (Fabricius, 1805), H. hirsutum (Thunberg, 1827), H. rufum (Olivier, 1789), H. haemorrhoicum (Loew, 1863) and H. pallipes Bigot, 1892) are redescribed. The other species, recently redescribed or described are only diagnosed, except for H. deani Painter, 1930, whose spermathecae are described and illustrated for the first time. The main characters of the external morphology were photographed and the male genitalia and female spermathecae illustrated. An identification key to all included species is also presented.

Rethinking the effects of financial liberalization

During the last few decades, many emerging markets have lifted restrictions on cross-borderfinancial transactions. The conventional view was that this would allow these countries to: (i)receive capital inflows from advanced countries that would finance higher investment and growth;(ii) insure against aggregate shocks and reduce consumption volatility; and (iii) accelerate thedevelopment of domestic financial markets and achieve a more efficient domestic allocationof capital and better sharing of individual risks. However, the evidence suggests that thisconventional view was wrong.In this paper, we present a simple model that can account for the observed effects of financialliberalization. The model emphasizes the role of imperfect enforcement of domestic debts and theinteractions between domestic and international financial transactions. In the model, financialliberalization might lead to different outcomes: (i) domestic capital flight and ambiguous effectson net capital flows, investment, and growth; (ii) large capital inflows and higher investmentand growth; or (iii) volatile capital flows and unstable domestic financial markets. The modelshows how these outcomes depend on the level of development, the depth of domestic financialmarkets, and the quality of institutions.

New enigmatic Andean bee species of Protandrena (Hymenoptera, Andrenidae, Panurginae)

Panurgine bees are diverse and abundant in temperate areas of the Americas but poorly represented to nearly absent in the tropics. We describe and illustrate five distinctive new species of the genus Protandrena that occur at high altitudes (2000-3400 m) in the Andes, from Venezuela to Ecuador. The species are also described to make the names available in forthcoming papers on their biology. These Andean species resemble some members of the subgenus Heterosarus but differ from it, as well as from any other subgenera of Protandrena, primarily in characters of the male genitalia and hidden sterna. The South American Protandrena s. l. are morphologically highly diverse and a complete study of the group is needed before supraspecific names are proposed for unusual species. Thus, to avoid further nomenclatural changes, we decided not to place these species in a new subgenus or any of the available subgenera. We also provide notes on the biology for some of the species.

Excess entry, ambiguity seeking and competence: An experimental investigation

Excess entry refers to the high failure rate of new entrepreneurial ventures. Economic explanations suggest 'hit and run' entrants and risk-seeking behavior. A psychological explanation is that people (entrepreneurs) are overconfident in their abilities (Camerer & Lovallo, 1999). Characterizing entry decisions as ambiguous gambles, we alternatively suggest following Heath and Tversky (1991) that people seek ambiguity when the source of uncertainty is related to their competence. Overconfidence, as such, plays no role. This hypothesis is confirmed in an experimental study that also documents the phenomenon of reference group neglect. Finally, we emphasize the utility that people gain from engaging in activities that contribute to a sense of competence. This is an important force in economic activity that deserves more explicit attention.

Economic rationality and ethical behavior

This paper argues that economic rationality and ethical behavior cannotbe reduced one to the other, casting doubts on the validity of formulaslike 'profit is ethical' or 'ethics pays'. In order to express ethicaldilemmas as opposing economic interest with ethical concerns, we proposea model of rational behavior that combines these two irreducible dimensions in an open but not arbitrary manner. Behaviors that are neither ethicalnor profitable are considered irrational (non-arbitrariness). However,behaviors that are profitable but unethical, and behaviors that are ethicalbut not profitable, are all treated as rational (openness). Combiningethical concerns with economic interest, ethical business is in turn anoptimal form of rationality between venality and sacrifice.Because every one prefers to communicate that he acts ethically, ethicalbusiness remains ambiguous until some economic interest is actuallysacrificed. We argue however that ethical business has an interest indemonstrating its consistency between communication and behavior by atransparent attitude. On the other hand, venal behaviors must remainconfidential to hide the corresponding lack of consistency. Thisdiscursive approach based on transparency and confidentiality helpsto further distinguish between ethical and unethical business behaviors.

Three new cecidogenous Palaeomystella Fletcher (Lepidoptera, Coleophoridae, Momphinae) associated with Melastomataceae in Brazil

Three new cecidogenous Palaeomystella Fletcher (Lepidoptera, Coleophoridae, Momphinae), described herein, induce galls on stems and leaves of Melastomataceae species. They include: Palaeomystella tibouchinae sp. n., on Tibouchina barbigera (Naudin) Baillon, P. oligophaga sp. n., on Macairea radula (Bonpland) de Candolle and M. thyrsiflora de Candolle, and P. henriettiphila sp. n., on Henriettea succosa (Aublet) de Candolle. Adults, including male and female genitalia, larva, pupa, and galls are illustrated and described in detail.

Strategic ambiguity in electoral competition

Many have observed that political candidates running for election areoften purposefully expressing themselves in vague and ambiguous terms. In thispaper we provide a simple formal model of this phenomenon. We model theelectoral competition between two candidates as a two--stage game. In thefirst stage of the game two candidates simultaneously choose their ideologies,and in the second stage they simultaneously choose their level of ambiguity.Our results show that ambiguity, although disliked by voters, may be sustainedin equilibrium. The introduction of ambiguity as a strategic choice variablefor the candidates can also serve to explain why candidates with the sameelectoral objectives end up ``separating'', that is, assuming different ideological positions.

Staying With the Tension: “Estranged Intimacy” and Gendered Expectations in the Field

The position of the anthropologist in the field is discussed, in this article, as a position of “estranged intimacy”, that is to say, the anthropologist occupies an ambiguous position of becoming intimately involved whilst concurrently standing back. This definition derives from reflections upon fieldwork, conducted in the north of Portugal, with Cape Verdean migrant young women and their experiences as mothers. The article discusses two aspects related to the fieldwork. Firstly, the way in which diverse strategies of establishing relations in the field placed me in a position of “estranged intimacy” which reconfigured the meanings I had initially attributed to the term “Cape Verdean women”. Secondly, how becoming unexpectedly involved in a situation of intense conjugal conflict led me to reconsider my understanding of Cape Verdean gender relations. Both cases demonstrate how the endeavour to produce analytical and ethnographical knowledge was shot through with an unstable mix of detachment and involvement and how coming up against the unexpected may contribute towards the reconfiguration of ethnographic knowledge, in this specific case, with regard to the dynamics of gender relations.

Ambiguity seeking as a result of the status quo bias

Several factors affect attitudes toward ambiguity. What happens, however, when peopleare asked to exchange an ambiguous alternative in their possession for an unambiguousone? We present three experiments in which individuals preferred to retain the former.This status quo bias emerged both within- and between-subjects, with and withoutincentives, with different outcome distributions, and with endowments determined byboth the experimenter and the participants themselves. Findings emphasize the need toaccount for the frames of reference under which evaluations of probabilistic informationtake place as well as modifications that should be incorporated into descriptive modelsof decision making.