Monteverde : Ecology and Conservation of a Tropical Cloud Forest
enlarged hind legs that are used during mating to fend off other males (Eberhard and Marin 1996). Larvae are unknown in most spe ...
1988). Understanding how the distribution of cloud forest leaf beetles relates to the distribution of their food plants will hel ...
sufficient to analyze the cloud forest fauna at Zurqui de Moravia, equivalent in habitat and elevation to Monteverde. Although f ...
lowland butterfly species migrate. The general pattern is emigration from the Pacific side during October to February; they retu ...
verde. The migration can be observed if one watches at 1730-1800 hr during the months of July and Au- gust. Some butterflies end ...
pyrrolizidine alkaloids to females in the spermato- phore, a packet of sperm and nutrients. Females gain protection and access t ...
Butterfly density along the river went from near 0 in January and February to over 2000 in August and September along a strip of ...
Nycteribiidae and Streblidae are blood-feeding parasites of bats. Larvae are retained within the female fly's body until the end ...
est, accompanied by phorids of the genera Acantho- phorides and Dacnophora and the brachypterous (short-winged) females of A con ...
vidual and is a predator, for example, ichneumonids that attack spider egg sacs. Although many idiobionts occur in Costa Rican c ...
from parasitoids (principally Cynipidae and several Chalcidoidea) and predators (a few ants and vespids, and virtually all bees) ...
tudinal zones: lowland (0-800 m), intermediate (800- 2000 m), and montane (2000+ m). In undisturbed ar- eas, these zones are usu ...
sented by fewer species than they are in the low- lands: Liopterini (Ibaliidae), Calosotinae (Eupelmi- dae), Rhyssinae and Laben ...
Further research is needed to explain these pat- terns. For example, why do the Ophioninae show great- est species richness in l ...
Eusocial wasp biology in Monteverde is affected by elevation. Many polistine species occur only at particular elevations (Append ...
wasp coloration have been studied surprisingly little. Prey choice by visually hunting insect predators such as dragonflies may ...
Table 4.2. Numbers of Mischocyttarus mastigophorus colony types and adults of two color morphs at different elevations in Montev ...
Ants are in the family Formicidae. All ants are eusocial (or derived from social ancestors in a few parasitic species), meaning ...
Figure 4.17. Leaf-cutter ant (Acromyrmex sp.) cutting lily petal. Photograph by Dan Perlman. left out. Their nests are far small ...
Pachycondyla aenescens, and Odontomachus opaci- ventris. Leptogenys imperatrix is a specialized preda- tor on isopods. Workers s ...
«
3
4
5
6
7
8
9
10
11
12
»
Free download pdf