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Virgo, Jonas, Ruppert, Alexander, Lampert, Kathrin P., Grafe, T. Ulmar and Eltz, Thomas ORCID: 0000-0002-8465-7944 (2019). The sound of a blood meal: Acoustic ecology of frog-biting midges (Corethrella) in lowland Pacific Costa Rica. Ethology, 125 (7). S. 465 - 476. HOBOKEN: WILEY. ISSN 1439-0310

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Abstract

Animal communication systems are often exploited by eavesdropping antagonists, especially predators and ectoparasites. Female frog-biting midges (Diptera: Corethrellidae) are known to use male anuran advertisement calls to locate their blood hosts, frogs. Here, we use acoustic midge traps broadcasting synthetic and recorded calls to identify those frog call parameters that affect midge attraction. At our study site in Pacific lowland Costa Rica, we found that overall midge attraction was influenced by both spectral and temporal acoustic parameters. Low dominant frequencies (below 1 kHz) and short pulse durations (between 125 and 500 ms) attracted the highest numbers of midges in tests with synthetic sinusoidal pure tones. These preferences partially explained the relative attractiveness of the advertisement calls of ten local frog species. The advertisement calls of the common and widespread Giant Bullfrog, Leptodactylus savagei (Anura: Leptodactylidae), attracted by far the largest number of midges, suggesting that this frog species might be a key resource for frog-biting midges in Costa Rica. Although we found that calls of different frog species attracted different midge species/morphospecies in statistically different proportions, acoustic niche differentiation among midge species appeared to be moderate, suggesting either a limited degree of host specialization or the use of additional short-range, that is, chemical, host recognition cues.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Virgo, Jonas UNSPECIFIED UNSPECIFIED UNSPECIFIED Ruppert, Alexander UNSPECIFIED UNSPECIFIED UNSPECIFIED Lampert, Kathrin P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Grafe, T. Ulmar UNSPECIFIED UNSPECIFIED UNSPECIFIED Eltz, Thomas UNSPECIFIED orcid.org/0000-0002-8465-7944 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-137137
DOI:	10.1111/eth.12871
Journal or Publication Title:	Ethology
Volume:	125
Number:	7
Page Range:	S. 465 - 476
Date:	2019
Publisher:	WILEY
Place of Publication:	HOBOKEN
ISSN:	1439-0310
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CALLING BEHAVIOR; BAT PREDATION; DIPTERA; EVOLUTION; PREFERENCES; SELECTION; HISTORY; SIGNALS; ANURA Multiple languages Psychology, Biological; Behavioral Sciences; Zoology Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/13713